The first step in energy management Andrew Ibbotson Joe Flanagan

The first step in energy management

Andrew IbbotsonJoe Flanagan

Energy Survey Workshop

What is an energy survey? For a site, dept, or processEstablishes the energy cost and consumption Is a technical investigation of the energy flowsAims to identify cost effective energy savingsExamines both the technical and soft management issues.

Why carry out a survey?Identify savingsEstablish the viability of an energy management programme Establish a baseline

The Energy Management Process

DIY or Consultant? Consultant Expertise Fresh pair of eyesShould not be afraid to poke into any cornerOpinions may carry more weight Job will be completed

DIY No costNo learning curveProjects should be viable

Choosing a ConsultantSalesman or consultant?Ensure he/she is experienced in your process Dont be afraid to take up referencesCost - day rate of fixed price

The Survey ProcessDefine the scope Establish energy balancesIdentify priority areasIdentify energy saving projectsLow cost (control, housekeeping, awareness)Medium cost (revenue expenditure

How much effort is required?Depends upon complexity of the site and scopeLevel of detail available (esp. sub-meters)Size and energy intensityRule of thumbUp to 200,000 6 mandaysUp to 1,000,000 10-15 mandays

ScopeElectricity, gas, oil, solid fuel etc?Water, effluent, industrial gasesIn general further detailed study will be required for medium and high cost opportunities

Energy Balances and Data AnalysisLast 12 months bills Sub-meter readings Principal energy users Production and climatic data 1st Law of Thermodynamics energy can neither be created or destroyed

Electricity BillsMaximum Demand charges (kVA, kW)Capacity charges (kVA, kW)Day and night ratesPower factor

Power FactorPF = kWh/kVAh= cos From the electricity billkWh = 17,400kVArh = 8,700What is the power factor?

Power factor tan = 8,700/17,400 = 0.5 = 26.5cos 26.5 = 0.89PF improved by adding capacitorsWorthy of further investigation below 0.85-0.90

MONTHLY

548407

637983

604222.5

459299.5

628260.5

586954

621717

601329

602402

501523

491720

385730.5

kWh

DAILY

212.3157894737295.9196428571305318.0982142857315.4285714286235.3596491228150.8333333333

211.6578947368295.0625303.1071428571316.7142857143314.4196428571234.5438596491150.7543859649

209.0087719298293.0714285714299.2232142857313.8303571429310.625236.298245614152.0087719298

211.8684210526295.4910714286302.4017857143315.7142857143311.7232142857237.0877192982152.3684210526

211.2280701754296.5625302.2142857143314.375310.2410714286238.8157894737153.1842105263

214.701754386298.5535714286305.0267857143318.7767857143311.8303571429240.2631578947153.4649122807

217.5526315789303.5267857143306.4375321.375314.4553571429239.1140350877153.9736842105

219.3421052632304.8928571429311.8035714286327.4642857143320.875238.9298245614153.5087719298

222.1315789474312.1160714286319.1339285714329.7142857143322.2142857143238.850877193154.1315789474

266.6754385965350.6875360.3125369.8928571429364.8928571429247.6666666667157.8859649123

340.8684210526433.3482142857443.7232142857454.8303571429441.1428571429277.4649122807171.8157894737

400.0263157895491.4107142857499.8392857143506.9553571429500.9285714286298.4473684211185.5263157895

454.6052631579544.0714285714560.0892857143566.5714285714548.4464285714330.0087719298204.0350877193

474.4035087719551.5357142857569.7678571429578.2053571429555.8392857143339.9736842105209.8070175439

487.6052631579555.7053571429575.9375580.7232142857555.0446428571339.8947368421209.4035087719

498.649122807568.9107142857589.3571428571594.6785714286572.1071428571342.2105263158210.7543859649

506.6754385965575.7321428571595.1785714286592.5535714286575.6428571429338.298245614207.3596491228

507.3245614035567.9375590.5357142857585.4910714286575.5803571429331.7543859649208.4561403509

495.8157894737551.2857142857576.4553571429571.1160714286553.125318.6228070175207.201754386

508.5964912281571.6785714286600.8839285714597.1428571429573.5313.1842105263208.9122807018

498.1666666667559.8125581.3214285714585.8035714286557.9196428571300.7719298246206

517.7105263158567.0535714286594.5714285714606.3839285714569.4464285714275.1052631579202.5964912281

518.5350877193561.1607142857595.2678571429597.8035714286565.5446428571245.0438596491193.4122807018

526.149122807572.75603.4732142857596.2232142857567.5357142857212.7543859649184.1228070175

536.149122807574.25598.1875594.7142857143557.2053571429185.5087719298175.7280701754

506.4298245614539.0178571429559.2053571429554.8839285714520.3214285714176.0964912281173.0614035088

526.649122807559.2767857143586.7321428571576.5178571429535.125171.2543859649165.8245614035

507.9649122807546.4107142857561.7678571429552.7678571429518.3660714286166.5087719298163.6842105263

528.9122807018565.0446428571577.3660714286569.2767857143534.7053571429162.0526315789160.0877192982

526.4210526316558.4910714286575.6339285714565.9285714286534.5982142857159.0350877193158.9210526316

521.6754385965552.3660714286574.2767857143557.9107142857526.7857142857157.3070175439156.3070175439

523.4385964912555.2142857143573.9642857143566.4821428571529.1875154.3596491228156.7280701754

520.2105263158547.2232142857565.2142857143563.3482142857524.9107142857152.2456140351155.2807017544

512.4473684211538553.9285714286550.8214285714508.9732142857150.2543859649155.4122807018

494.1140350877514.2946428571536.9910714286528.8035714286487.7410714286148.350877193153.9473684211

506.7631578947533.1160714286555.0982142857545.4017857143504.6875146.6578947368154.1140350877

490.850877193516.6428571429538.3303571429533.4285714286486.8839285714146.201754386154.3859649123

504.5701754386524.2232142857542.9732142857548.0892857143495.9642857143145.9561403509153.3157894737

500.6929824561521.7321428571537.6964285714543.8660714286491.6339285714147.1315789474153.2280701754

501.2719298246523.9107142857545.5267857143547.4196428571489.8928571429146.7456140351152.5526315789

499.7192982456519.8125546.2767857143542.875474.6875148.0438596491152.3596491228

444.8421052632447.3928571429471.2678571429472.0803571429400.1071428571148.2543859649157.9912280702

387.1754385965390.3392857143404.5803571429408.9017857143329.8660714286148.6929824561176.3157894737

332.9736842105330.0714285714349.4196428571349.0892857143267.8482142857147.4473684211185.7807017544

300.8157894737308.3928571429322.3571428571322.2053571429233.5803571429147.649122807197.5175438596

296.0526315789301.8839285714315.7678571429318.5267857143231.1160714286148.8157894737201.3771929825

295.3421052632303.0089285714317.2589285714318.5982142857231.7410714286149.6315789474207.0175438596

293.8070175439302.9642857143317.7767857143317.2321428571233.1071428571150.0701754386210.5175438596

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

kWh per 1/2 hour

Average Electricity Half Hourly Data Lock Street (Year to 30/9/02)

YEAR

7836

20414

22509.5

24035.5

24073.5

20975.5

8148

6077

20321.5

24647.5

24624

24443

22781

10662.5

9187.5

23066.5

22864.5

24290

24403

19948.5

8748

8568

21737

23405.5

23722

24184

22321.5

10064

9119

22539.5

23799.5

25083

23759.5

23265

10641

9403.5

23603

25328.5

24881

25492.5

22995.5

11971

9791

21730

23359

24498.5

24398

23237.5

9577.5

8788.5

23436

25481

25331

24396

25078

11884

10321

23736.5

24819.5

25357.5

24460

23259

10939.5

9603

22162

25096

24628

23241

22319.5

12268.5

11226

23999

25486

24970.5

24519

23210.5

10363

9425.5

22435

25348.5

24734.5

25148.5

21997

9563.5

7765

21662.5

24721

24247.5

23798.5

21625

10805.5

9044

23732.5

24441

26227

25170

23792

9219.5

8424.5

24322.5

21963

23844.5

24444.5

23401.5

11457.5

10447.5

23262

19515

25877.5

24972

25754

11391

3926.5

3295

2898

2777.5

2794.5

3665

2656

2629

3149.5

4250.5

20648

25784.5

24979.5

12522.5

10317.5

24953.5

25634.5

23806

23014

23493

12306.5

10762.5

22298

23662

24678

25704

24041.5

14880.5

10661

22533.5

24716.5

25066

26068.5

24064

14249

9569

22518

22766.5

24068

24244

23894

14634

12623.5

21368.5

24315

25112.5

26231

23515.5

13377

9475

22819.5

24160.5

25106

25169.5

25256.5

13151.5

12026

22599

25277

24765.5

25916

23764

13298.5

9810.5

23441

25446.5

26005

24395.5

24734

13425.5

9177

24465.5

26294

24875.5

25968.5

25194

14437.5

12099.5

23483

26752

25753.5

27641

25063

13648.5

9687.5

24882.5

26648

26777.5

23697

22660

12129

9628.5

23800.5

25743

25654.5

24410.5

9299

7015

6672.5

8057

24032.5

25023

25488.5

25443.5

10217.5

10289

24703.5

26963

24139

23985

24347.5

8477.5

9205.5

23400.5

25356.5

25325.5

25913.5

23808.5

10170

8877

22539.5

23461

24154.5

25450.5

23824

13530

9341

22015

23790

23244.5

25183.5

23355

10541

6718

7416

22680.5

23425.5

23480

22998.5

12836

9885

23289.5

25138.5

24385

24242

22748

13898

8469.5

21765

23971.5

23099.5

23927

21802.5

8807

7337.5

20029

24170

24277

24903.5

24378.5

12014

7927

5597

7119

23526.5

24153

21785

9998

10284.5

21649.5

22978.5

24069

23169

21233

7816.5

5114.5

21062.5

23404.5

23292

22813

19517

5639.5

5044.5

21693

23690

24268

24186

22006.5

8489

7983.5

22565

23285

22217

22536

20640

7483

7098.5

21880.5

23425

22568

21795

19641.5

6755.5

6548

21099.5

20473.5

19750.5

20119

20804.5

7676

7232.5

21235.5

22414.5

22319.5

23089.5

16813.5

4938.5

3074

4188.5

4184.5

3868.5

3731

3651

2870.5

2030

2406

2424.5

2252

3105

2760.5

4274.5

4302

18798.5

23259.5

21759.5

23577

20705.5

6403.5

4946

20680

23324.5

23566

23192

21050.5

7585.5

5064

7863

20497.5

23142

22371.5

21944.5

12193

9410

21322

24182

23934.5

23344

22752.5

11258.5

9602.5

21238

23956

26281.5

25797.5

21645.5

11608

8502

22099

24757

23648

23142

23754

12043.5

8897.5

22334.5

24028

25663.5

25102.5

24227.5

12031.5

9983.5

20788

DAILY kWh

Pivot

Day(All)Day0:000:301:001:302:002:303:003:304:004:305:005:306:006:307:007:308:008:309:009:3010:0010:3011:0011:3012:0012:3013:0013:3014:0014:3015:0015:3016:0016:3017:0017:3018:0018:3019:0019:3020:0020:3021:0021:3022:0022:3023:0023:30

Monday212.3157894737211.6578947368209.0087719298211.8684210526211.2280701754214.701754386217.5526315789219.3421052632222.1315789474266.6754385965340.8684210526400.0263157895454.6052631579474.4035087719487.6052631579498.649122807506.6754385965507.3245614035495.8157894737508.5964912281498.1666666667517.7105263158518.5350877193526.149122807536.149122807506.4298245614526.649122807507.9649122807528.9122807018526.4210526316521.6754385965523.4385964912520.2105263158512.4473684211494.1140350877506.7631578947490.850877193504.5701754386500.6929824561501.2719298246499.7192982456444.8421052632387.1754385965332.9736842105300.8157894737296.0526315789295.3421052632293.80701754399/2/0110876

DateDataTotalSum of TOTALTuesday295.9196428571295.0625293.0714285714295.4910714286296.5625298.5535714286303.5267857143304.8928571429312.1160714286350.6875433.3482142857491.4107142857544.0714285714551.5357142857555.7053571429568.9107142857575.7321428571567.9375551.2857142857571.6785714286559.8125567.0535714286561.1607142857572.75574.25539.0178571429559.2767857143546.4107142857565.0446428571558.4910714286552.3660714286555.2142857143547.2232142857538514.2946428571533.1160714286516.6428571429524.2232142857521.7321428571523.9107142857519.8125447.3928571429390.3392857143330.0714285714308.3928571429301.8839285714303.0089285714302.96428571439/9/0111975

9/1/01Average of 00:00280.5YearsDateTotalWednesday305303.1071428571299.2232142857302.4017857143302.2142857143305.0267857143306.4375311.8035714286319.1339285714360.3125443.7232142857499.8392857143560.0892857143569.7678571429575.9375589.3571428571595.1785714286590.5357142857576.4553571429600.8839285714581.3214285714594.5714285714595.2678571429603.4732142857598.1875559.2053571429586.7321428571561.7678571429577.3660714286575.6339285714574.2767857143573.9642857143565.2142857143553.9285714286536.9910714286555.0982142857538.3303571429542.9732142857537.6964285714545.5267857143546.2767857143471.2678571429404.5803571429349.4196428571322.3571428571315.7678571429317.2589285714317.77678571439/16/0112377

Average of 00:302862001Sep548407Thursday318.0982142857316.7142857143313.8303571429315.7142857143314.375318.7767857143321.375327.4642857143329.7142857143369.8928571429454.8303571429506.9553571429566.5714285714578.2053571429580.7232142857594.6785714286592.5535714286585.4910714286571.1160714286597.1428571429585.8035714286606.3839285714597.8035714286596.2232142857594.7142857143554.8839285714576.5178571429552.7678571429569.2767857143565.9285714286557.9107142857566.4821428571563.3482142857550.8214285714528.8035714286545.4017857143533.4285714286548.0892857143543.8660714286547.4196428571542.875472.0803571429408.9017857143349.0892857143322.2053571429318.5267857143318.5982142857317.23214285719/23/0111224

Average of 01:00290.5Oct637983Friday315.4285714286314.4196428571310.625311.7232142857310.2410714286311.8303571429314.4553571429320.875322.2142857143364.8928571429441.1428571429500.9285714286548.4464285714555.8392857143555.0446428571572.1071428571575.6428571429575.5803571429553.125573.5557.9196428571569.4464285714565.5446428571567.5357142857557.2053571429520.3214285714535.125518.3660714286534.7053571429534.5982142857526.7857142857529.1875524.9107142857508.9732142857487.7410714286504.6875486.8839285714495.9642857143491.6339285714489.8928571429474.6875400.1071428571329.8660714286267.8482142857233.5803571429231.1160714286231.7410714286233.10714285719/30/0113681

Average of 01:30297.5Nov604222.5Saturday235.3596491228234.5438596491236.298245614237.0877192982238.8157894737240.2631578947239.1140350877238.9298245614238.850877193247.6666666667277.4649122807298.4473684211330.0087719298339.9736842105339.8947368421342.2105263158338.298245614331.7543859649318.6228070175313.1842105263300.7719298246275.1052631579245.0438596491212.7543859649185.5087719298176.0964912281171.2543859649166.5087719298162.0526315789159.0350877193157.3070175439154.3596491228152.2456140351150.2543859649148.350877193146.6578947368146.201754386145.9561403509147.1315789474146.7456140351148.0438596491148.2543859649148.6929824561147.4473684211147.649122807148.8157894737149.6315789474150.070175438610/7/0111230

Average of 02:00300.5Dec459299.5Sunday150.8333333333150.7543859649152.0087719298152.3684210526153.1842105263153.4649122807153.9736842105153.5087719298154.1315789474157.8859649123171.8157894737185.5263157895204.0350877193209.8070175439209.4035087719210.7543859649207.3596491228208.4561403509207.201754386208.9122807018206202.5964912281193.4122807018184.1228070175175.7280701754173.0614035088165.8245614035163.6842105263160.0877192982158.9210526316156.3070175439156.7280701754155.2807017544155.4122807018153.9473684211154.1140350877154.3859649123153.3157894737153.2280701754152.5526315789152.3596491228157.9912280702176.3157894737185.7807017544197.5175438596201.3771929825207.0175438596210.517543859610/14/0112729

Average of 02:303072002Jan628260.5All Average261.3772151899260.4240506329258.6962025316260.4911392405260.4911392405262.7721518987264.7367088608267.6291139241270.682278481301.9772151899365.3898734177410.9860759494457.2835443038467.5392405063471.0848101266481.3797468354483.4759493671480.0101265823466.6949367089480.9341772152468.9455696203475.0278481013466.9772151899464.9405063291459.0253164557431.5962025316444.7113924051429.9151898734441.2860759494438.6582278481434.0417721519435.846835443431.4430379747423.1113924051408.0860759494419.682278481408.4253164557415.3139240506412.5974683544414.2037974684410.864556962362.2772151899320.2050632911279.9329113924261.435443038258.7455696203260.0443037975260.458227848110/21/0111431

Average of 03:00308.5Feb58695410/28/0112409

Average of 03:30314Mar621717DateTotal11/4/0113457

Average of 04:00316Apr6013299/1/01280.511/11/0110673

Average of 04:30309May60240228611/18/0114332

Average of 05:00359.5Jun501523290.511/25/0110304

Average of 05:30398Jul491720297.512/2/019153

Average of 06:00387.5Aug385730.5300.512/9/019206

Average of 06:30375.5Sep587334.530712/16/0112199

Average of 07:00391Grand Total7256882.5308.512/23/0110757

Average of 07:30398.531412/30/010

Average of 08:00399Sep54840716,4523161/6/026701

Average of 08:30371Oct63798319,1393091/13/0211254

Average of 09:00358.5Nov604222.518,127359.51/20/0210254

Average of 09:30391Dec459299.513,7793981/27/029812

Average of 10:00379.5Jan628260.518,848387.52/3/0210509

Average of 10:30281.5Feb58695417,609375.52/10/0212468

Average of 11:00205Mar62171718,6523912/17/0211366

Average of 11:30188.5Apr60132918,040398.52/24/0211042

Average of 12:00169May60240218,0723993/3/0210751

Average of 12:30164.5Jun50152315,0463713/10/0211534

Average of 13:00152Jul49172014,752358.53/17/029239

Average of 13:30151.5Aug385730.511,5723913/24/0215381

Average of 14:00151Sep587334.5379.53/31/0210906

Average of 14:30151281.54/7/029824

Average of 15:00150SEP - AUG66695482054/14/0211409

Average of 15:30152200,086188.54/21/0210575

Average of 16:001481694/28/0211075

Average of 16:30150164.55/5/029447

Average of 17:00132.51525/12/029225

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Average of 14:30125.5144

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Average of 19:30117.5144.5

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Average of 22:30159.5117

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Average of 13:30611526.5




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Average of 02:30289.5269


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Average of 22:30392.5516

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Average of 00:30400.5388.5

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Average of 01:30393.5380


Average of 02:30383.5392.5


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Average of 00:30245.5331

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Average of 00:30187.5166.5


Average of 01:30184.5175.5

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Average of 03:30188.5194.5

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Average of 00:30263.5173

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Average of 02:30266188.5

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Average of 23:00299.5575

Average of 23:30295.5609.5

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Average of 00:30286413.5

Average of 01:00313328.5

Average of 01:30329314.5


Average of 02:30327.5294

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Average of 22:30291.5526


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Average of 00:30373.5420




Average of 02:30391.5359

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Average of 13:30639.5644



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Average of 22:00283574.5

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Average of 23:00269.5556

Average of 23:30253583.5

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Average of 00:30248.5366.5


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Average of 07:30530.5283


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Average of 09:30556.5609

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Average of 10:30529.5536.5

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Average of 12:00164.5220.5

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9/25/01Average of 00:00337.5498

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Average of 02:30332343.5

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9/28/01Average of 00:00328622.5

Average of 00:30317.5522

Average of 01:00318.5347

Average of 01:30333310.5

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Average of 03:00336.5284

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Average of 08:00625.5390.5

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Average of 10:00653.5647

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Average of 16:30518.5487


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Average of 20:30311518.5


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Average of 22:00191.5507

Average of 22:30201.5482

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Average of 00:30212.5311



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Average of 06:30281.5219

Average of 07:00296.5218


Average of 08:00287222.5

Average of 08:30277231.5

Average of 09:00273257.5


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Average of 10:30204281.5

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Average of 11:30188.5278

Average of 12:00192.5287




Average of 14:00174248.5



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Average of 21:00187.5168.5



Average of 22:30175.5172

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9/30/01Average of 00:00176.5185.5


Average of 01:00181.5187.5

Average of 01:30176.5174


Average of 02:30176.5175.5

Average of 03:00174.5176.5

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Average of 08:30181.5176.5

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Average of 11:30190.5182.5

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Average of 21:00214.5183

Average of 21:30220.5175.5

Average of 22:00222.5183.5

Average of 22:30220.5182

Average of 23:00226.5181


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Average of 01:00238.5214.5

Average of 01:30246220.5

Average of 02:00242.5222.5

Average of 02:30241.5220.5

Average of 03:00251.5226.5

Average of 03:30281.5256

Average of 04:0027610/1/01260


Average of 05:00432238.5


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Average of 07:30584281.5

Average of 08:00584.5276

Average of 08:30551.5274

Average of 09:00510.5432

Average of 09:30597.5613

Average of 10:00539583.5

Average of 10:30511575.5

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Average of 11:30581.5584

Average of 12:00577.5584.5

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Average of 20:00613.5603

Average of 20:30397.5576

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Average of 21:30294.5630.5

Average of 22:00308.5601.5


Average of 23:00310.5573.5

Average of 23:30306.5605.5

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Average of 00:30312.5397.5

Average of 01:00299.5308.5

Average of 01:30315.5294.5

Average of 02:00336308.5


Average of 03:00346.5310.5

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Average of 04:00346.510/2/01323.5

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Average of 07:30681.5343

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Average of 09:30651.5624.5

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Average of 21:30296.5555


Average of 22:30274.5444

Average of 23:00291.5551.5

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Average of 00:30307377.5


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Average of 02:30313274.5

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Average of 11:30679647.5

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Average of 13:30680654.5



Average of 15:00640.5642.5

Average of 15:30662.5679

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Average of 17:30628.5680


Average of 18:30588.5623

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Average of 21:00317.5565

Average of 21:30329.5628.5


Average of 22:30331588.5

Average of 23:00331.5607.5


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Average of 00:30311.5391

Average of 01:00300317.5

Average of 01:30307329.5

Average of 02:00322.5329


Average of 03:00330.5331.5

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Average of 06:30656.5319

Average of 07:00612330.5

Average of 07:30633340.5


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Average of 09:30605.5660.5

Average of 10:00618677.5

Average of 10:30610656.5

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Average of 11:30608.5633



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Average of 22:30328.5537.5



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Average of 00:30321.5406

Average of 01:00315.5340

Average of 01:30339.5347

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Average of 03:30341.5332

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Average of 13:30620.5607


Average of 14:30589582.5



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Average of 19:00532.5586


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Average of 21:00218.5493


Average of 22:00235.5561.5

Average of 22:30237.5513

Average of 23:00240.5532.5


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Average of 00:30234.5306.5

Average of 01:00240.5218.5


Average of 02:00249235.5

Average of 02:30254.5237.5

Average of 03:00257.5240.5


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Average of 04:30273.5234.5

Average of 05:00287240.5


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Average of 06:30289.5254.5

Average of 07:00282257.5


Average of 08:00303.5247

Average of 08:30292.5273.5


Average of 09:30280.5302

Average of 10:00253298.5

Average of 10:30250289.5



Average of 12:00206303.5

Average of 12:30197.5292.5

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Average of 13:30197.5280.5



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Average of 15:30167.5220

Average of 16:00164.5206

Average of 16:30158.5197.5

Average of 17:00160.5202.5

Average of 17:30171.5197.5

Average of 18:00174.5185


Average of 19:00170.5170.5

Average of 19:30178167.5

Average of 20:00177.5164.5

Average of 20:30175158.5

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Average of 21:30172171.5

Average of 22:00179.5174.5

Average of 22:30177.5171

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Average of 00:30180.5175

Average of 01:00179.5176

Average of 01:30181.5172

Average of 02:00181179.5

Average of 02:30187177.5



Average of 04:00191.510/7/01178

Average of 04:30191180.5

Average of 05:00212179.5

Average of 05:30204181.5


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Average of 07:00221.5188


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Average of 08:30208.5191


Average of 09:30209.5204


Average of 10:30219219.5

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Average of 11:30201.5227

Average of 12:00199.5217

Average of 12:30197208.5


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Average of 14:00182.5219

Average of 14:30185.5219


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Average of 16:30174.5197

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Average of 20:30177174.5

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Average of 22:30218.5170.5

Average of 23:00217.5167

Average of 23:30239.5172

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Average of 01:00252213.5

Average of 01:30252.5237.5

Average of 02:00266.5232.5

Average of 02:30265218.5

Average of 03:00275217.5

Average of 03:30273239.5

Average of 04:0027610/8/01240.5

Average of 04:30353.5262

Average of 05:00533.5252

Average of 05:30554.5252.5

Average of 06:00573.5266.5




Average of 08:00568.5276

Average of 08:30539353.5

Average of 09:00522.5533.5

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Average of 11:00583.5561


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Average of 20:30469.5614


Average of 21:30326.5589


Average of 22:30347.5595

Average of 23:00333601.5


10/9/01Average of 00:00356.5633.5

Average of 00:30343.5469.5

Average of 01:00340.5325

Average of 01:30347326.5


Average of 02:30343.5347.5



Average of 04:0037410/9/01356.5

Average of 04:30413343.5

Average of 05:00566.5340.5

Average of 05:30583.5347

Average of 06:00581.5348

Average of 06:30584343.5


Average of 07:30617.5344

Average of 08:00592.5374


Average of 09:00579.5566.5

Average of 09:30664583.5

Average of 10:00676.5581.5

Average of 10:30645.5584


Average of 11:30700617.5

Average of 12:00664.5592.5


Average of 13:00622.5579.5

Average of 13:30653.5664

Average of 14:00680676.5

Average of 14:30657.5645.5

Average of 15:00662.5636

Average of 15:30657.5700

Average of 16:00649.5664.5

Average of 16:30626.5552

Average of 17:00576622.5

Average of 17:30576.5653.5


Average of 18:30600657.5

Average of 19:00599662.5

Average of 19:30635.5657.5

Average of 20:00613.5649.5

Average of 20:30481.5626.5


Average of 21:30343.5576.5




Average of 23:30342635.5

10/10/01Average of 00:00339613.5

Average of 00:30329.5481.5


Average of 01:30321.5343.5


Average of 02:30314.5328

Average of 03:00335.5325


Average of 04:00349.510/10/01339

Average of 04:30406329.5


Average of 05:30608.5321.5


Average of 06:30549314.5

Average of 07:00602335.5


Average of 08:00620349.5

Average of 08:30569.5406


Average of 09:30621.5608.5

Average of 10:00643.5618


Average of 11:00643.5602


Average of 12:00720.5620

Average of 12:30594569.5


Average of 13:30662.5621.5

Average of 14:00616.5643.5

Average of 14:30644.5643

Average of 15:00649643.5


Average of 16:00624.5720.5

Average of 16:30568.5594

Average of 17:00548.5627

Average of 17:30608.5662.5

Average of 18:00631.5616.5

Average of 18:30624.5644.5


Average of 19:30628.5643

Average of 20:00621.5624.5

Average of 20:30471.5568.5

Average of 21:00325.5548.5

Average of 21:30332608.5

Average of 22:00331.5631.5

Average of 22:30317624.5

Average of 23:00288.5586

Average of 23:30297628.5

10/11/01Average of 00:00313.5621.5

Average of 00:30313471.5

Average of 01:00305.5325.5


Average of 02:00316.5331.5


Average of 03:00329288.5

Average of 03:30334.5297

Average of 04:0033210/11/01313.5


Average of 05:00538.5305.5

Average of 05:30622.5314

Average of 06:00670.5316.5



Average of 07:30648334.5

Average of 08:00659.5332

Average of 08:30641.5375

Average of 09:00623.5538.5

Average of 09:30657622.5

Average of 10:00688670.5




Average of 12:00689.5659.5

Average of 12:30575.5641.5

Average of 13:00637.5623.5


Average of 14:00637.5688

Average of 14:30625.5660


Average of 15:30654.5699

Average of 16:00648689.5

Average of 16:30620.5575.5

Average of 17:00576.5637.5

Average of 17:30605.5653

Average of 18:00644637.5

Average of 18:30623.5625.5

Average of 19:00603.5630

Average of 19:30624654.5

Average of 20:00596.5648

Average of 20:30470620.5

Average of 21:00419576.5

Average of 21:30401.5605.5

Average of 22:00394.5644

Average of 22:30317.5623.5

Average of 23:00311.5603.5

Average of 23:30320.5624

10/12/01Average of 00:00312596.5


Average of 01:00311.5419

Average of 01:30292.5401.5

Average of 02:00291.5394.5

Average of 02:30287317.5

Average of 03:00297.5311.5

Average of 03:30305.5320.5

Average of 04:0033010/12/01312


Average of 05:00536311.5

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Average of 06:30560.5287

Average of 07:00577.5297.5

Average of 07:30609.5305.5

Average of 08:00611.5330

Average of 08:30609.5399

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Average of 09:30633573.5

Average of 10:00634605.5

Average of 10:30617.5560.5

Average of 11:00596577.5

Average of 11:30642609.5

Average of 12:00631.5611.5

Average of 12:30540609.5

Average of 13:00637574.5



Average of 14:30600.5617.5

Average of 15:00641.5596


Average of 16:00520.5631.5

Average of 16:30503.5540


Average of 17:30536.5672

Average of 18:00532.5632

Average of 18:30522600.5

Average of 19:00499.5641.5

Average of 19:30493.5534

Average of 20:00518520.5

Average of 20:30404503.5


Average of 21:30257536.5

Average of 22:00252532.5


Average of 23:00256499.5

Average of 23:30262493.5

10/13/01Average of 00:00264518

Average of 00:30265.5404

Average of 01:00259.5267


Average of 02:00270.5252

Average of 02:30264.5248

Average of 03:00275.5256


Average of 04:00270.510/13/01264

Average of 04:30295265.5

Average of 05:00318259.5


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Average of 06:30320.5264.5

Average of 07:00315.5275.5

Average of 07:30321.5270

Average of 08:00333.5270.5





Average of 10:30285.5320.5

Average of 11:00261315.5

Average of 11:30257.5321.5

Average of 12:00237.5333.5

Average of 12:30240.5315



Average of 14:00237.5303

Average of 14:30220.5285.5

Average of 15:00207.5261

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Average of 16:30186240.5

Average of 17:00176.5251


Average of 18:00189.5237.5

Average of 18:30183.5220.5

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Average of 19:30189213.5



Average of 21:00202176.5


Average of 22:00198.5189.5

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Average of 23:00206.5187

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10/14/01Average of 00:00210.5190

Average of 00:30210.5200



Average of 02:00213.5198.5


Average of 03:00217.5206.5

Average of 03:30207206.5

Average of 04:00193.510/14/01210.5

Average of 04:30187.5210.5



Average of 06:00248.5213.5

Average of 06:30239.5218

Average of 07:00226217.5

Average of 07:30235.5207

Average of 08:00228.5193.5

Average of 08:30249.5187.5

Average of 09:00229.5200


Average of 10:00254.5248.5

Average of 10:30223.5239.5


Average of 11:30202235.5

Average of 12:00200228.5

Average of 12:30190249.5

Average of 13:00179.5229.5

Average of 13:30184.5240

Average of 14:00178.5254.5

Average of 14:30184.5223.5




Average of 16:30173.5190

Average of 17:00162.5179.5

Average of 17:30167.5184.5

Average of 18:00168178.5

Average of 18:30176.5184.5

Average of 19:00178.5177



Average of 20:30188.5173.5

Average of 21:00219.5162.5

Average of 21:30218.5167.5


Average of 22:30196.5176.5

Average of 23:00195.5178.5


10/15/01Average of 00:00204180

Average of 00:30184188.5

Average of 01:00196219.5

Average of 01:30239218.5

Average of 02:00246.5223

Average of 02:30238.5196.5

Average of 03:00237195.5


Average of 04:00244.510/15/01204


Average of 05:00436.5196


Average of 06:00588.5246.5

Average of 06:30585238.5



Average of 08:00589.5244.5


Average of 09:00518.5436.5


Average of 10:00617588.5

Average of 10:30579.5585



Average of 12:00594589.5


Average of 13:00554.5518.5

Average of 13:30583.5591


Average of 14:30543.5579.5

Average of 15:00550.5584

Average of 15:30549.5598

Average of 16:00550.5594

Average of 16:30517.5501

Average of 17:00444554.5

Average of 17:30530583.5


Average of 18:30499543.5

Average of 19:00505550.5

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Average of 20:00533.5550.5

Average of 20:30392.5517.5

Average of 21:00332.5444






10/16/01Average of 00:00314533.5

Average of 00:30310392.5

Average of 01:00310332.5



Average of 02:30311.5306

Average of 03:00318.5319


Average of 04:00314.510/16/01314


Average of 05:00545.5310


Average of 06:00564.5319

Average of 06:30561311.5

Average of 07:00594.5318.5


Average of 08:00662314.5


Average of 09:00577.5545.5

Average of 09:30678.5596

Average of 10:00661.5564.5


Average of 11:00677594.5


Average of 12:00705.5662


Average of 13:00560.5577.5

Average of 13:30580.5678.5

Average of 14:00610.5661.5



Average of 15:30566.5682

Average of 16:00523.5705.5

Average of 16:30510.5566

Average of 17:00476560.5

Average of 17:30538.5580.5

Average of 18:00489.5610.5

Average of 18:30459.5587


Average of 19:30487566.5

Average of 20:00495523.5

Average of 20:30375.5510.5


Average of 21:30296.5538.5

Average of 22:00309.5489.5

Average of 22:30299.5459.5


Average of 23:30310.5487

10/17/01Average of 00:00309495

Average of 00:30308375.5

Average of 01:00305.5308

Average of 01:30335296.5

Average of 02:00345.5309.5

Average of 02:30346299.5

Average of 03:00332.5313

Average of 03:30337.5310.5

Average of 04:0032110/17/01309

Average of 04:30355.5308

Average of 05:00559.5305.5


Average of 06:00650.5345.5


Average of 07:00578.5332.5

Average of 07:30665.5337.5

Average of 08:00656.5321

Average of 08:30592.5355.5

Average of 09:00595.5559.5


Average of 10:00694.5650.5

Average of 10:30656.5574

Average of 11:00650578.5

Average of 11:30667665.5

Average of 12:00665.5656.5

Average of 12:30571.5592.5

Average of 13:00589595.5


Average of 14:00598.5694.5

Average of 14:30562.5656.5



Average of 16:00561665.5

Average of 16:30536571.5

Average of 17:00520.5589


Average of 18:00574.5598.5

Average of 18:30574.5562.5



Average of 20:00606.5561

Average of 20:30423.5536

Average of 21:00358.5520.5


Average of 22:00348574.5

Average of 22:30309.5574.5

Average of 23:00314.5558

Average of 23:30321.5590

10/18/01Average of 00:00322.5606.5

Average of 00:30322423.5

Average of 01:00316.5358.5

Average of 01:30339.5364


Average of 02:30342309.5

Average of 03:00353314.5

Average of 03:30358321.5

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Average of 05:00571316.5

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Average of 06:00641.5354



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