SURFACE WATER SUPFLY of the UNITED STATEP
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SURFACE WATER SUPFLY of the UNITED STATEP

SURFACE WATER SUPFLY of the UNITED STATEP

SURFACE WATER SUPFLY of the UNITED STATEP

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42 JAMES RIVER BASIN<br />

Rlvanna River at Palrayra, Va.<br />

Location.- Wire-weight gage, lat. 37°51', long. 78°16', at highway bridge at Palrayra,<br />

Fiuvanna county, half a mile upstream from Cunnlngham Creek and 15 riles upstream from<br />

mouth. Datum <strong>of</strong> gage Is 210.36 feet above mean sea level.<br />

Drainage area.- 675 square miles.<br />

Records available.- May 1934 to September 1945. A<br />

Average discharge.- 11 years, 752 second-feet. '<br />

Extremes.- Maximum discharge observed during year, 9,370 second-feet Sept. 18 (gage height,<br />

1&.39 feet); minimum observed, 101 second-feet Sept. 14 {gage height, 3.11 feet).<br />

1934-45: Maximum discharge, 78,000 second-feet Oct. 16, 1942 Tg/Ke height, 36.5 feet<br />

at site <strong>the</strong>n in use, 37.4 feet at present site); minimum, 19 second-feet Oct. 9, 1941<br />

(gage height, 1.53 feet, site <strong>the</strong>n In use).<br />

Remarks.- Records fair. Gage read once dally.<br />

Rating table, mater year J.944-45<br />

(gage height, In feet, and discharge, In second-feet)<br />

(Shifting-control method used June 3 to Sept. 30)<br />

2.9<br />

3.0<br />

3.2<br />

3.5<br />

3.8<br />

60<br />

99<br />

148<br />

239<br />

357<br />

4.2<br />

4.4<br />

4.6<br />

4.8<br />

5.4<br />

560<br />

700<br />

930<br />

1,200<br />

1^740<br />

6.0 2,110<br />

10.0 4,940<br />

14.0 8,200<br />

Discharge, in second-feet, water year October 1944 tc September 1945<br />

Day Oct. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept.<br />

1,400<br />

700<br />

a650<br />

8600<br />

532<br />

478<br />

452<br />

428<br />

a400<br />

580<br />

357<br />

8350<br />

a380<br />

428<br />

428<br />

380<br />

336<br />

356<br />

514<br />

760<br />

5,740<br />

2,110<br />

1,490<br />

al.lOD<br />

950<br />

700<br />

692<br />

532<br />

a500<br />

478<br />

452<br />

October..<br />

November.<br />

December.<br />

428<br />

403<br />

403<br />

380<br />

380<br />

«S70<br />

357<br />

314<br />

336<br />

8350<br />

357<br />

314<br />

314<br />

314<br />

314<br />

314<br />

8300<br />

294<br />

894<br />

a3SO<br />

336<br />

314<br />

314<br />

294<br />

876<br />

8280<br />

, 357<br />

1,200<br />

8800<br />

'662<br />

Month<br />

8550<br />

478<br />

428<br />

8400<br />

380<br />

403<br />

8400<br />

1,870<br />

1,810<br />

al,200<br />

1,600<br />

2,930<br />

1,490<br />

1,250<br />

865<br />

«700<br />

8600<br />

,560<br />

532<br />

aSOO<br />

6480<br />

458<br />

452<br />

8450<br />

428<br />

428<br />

a450<br />

478<br />

532<br />

aSQO<br />

8500<br />

2,370<br />

C,050<br />

1,400<br />

1,040<br />

930<br />

700<br />

S700<br />

al,000<br />

al,000<br />

700<br />

a650<br />

560<br />

8600<br />

1,300<br />

930<br />

1,300<br />

1,300<br />

1,000<br />

865<br />

.800<br />

a750<br />

700<br />

8700<br />

700<br />

a650<br />

59 E<br />

560<br />

560<br />

«550<br />

504<br />

478<br />

8400<br />

403<br />

42S<br />

357<br />

478<br />

452<br />

380<br />

403<br />

403<br />

380<br />

380<br />

8800<br />

1,200<br />

666<br />

592<br />

a650<br />

750<br />

668<br />

625<br />

aTOO'<br />

al.ooo<br />

1.B10<br />

1,490<br />

al.SOO<br />

1,000<br />

1,000<br />

800<br />

Saoond-<br />

foot-days<br />

24,702<br />

11,68£<br />

25,994<br />

700<br />

700<br />

- 700<br />

625<br />

a700<br />

1,070<br />

865<br />

750<br />

700<br />

662<br />

592<br />

532<br />

532<br />

504<br />

504<br />

478<br />

s 478<br />

478<br />

452<br />

4S8<br />

»480<br />

478<br />

45E<br />

403<br />

380<br />

380<br />

380<br />

380<br />

380<br />

a370<br />

357<br />

380<br />

390<br />

380<br />

380<br />

357<br />

8330<br />

314<br />

314<br />

314<br />

314<br />

314<br />

314<br />

' 314<br />

314<br />

357<br />

387<br />

403<br />

1,SO&<br />

560<br />

8*50<br />

S.4SO,<br />

403<br />

a370<br />

aSGO<br />

a800<br />

1,580<br />

1,000<br />

862<br />

532<br />

a500<br />

5,745<br />

t.eoc<br />

2,960 ; set<br />

403<br />

0380<br />

357<br />

336<br />

314<br />

294<br />

294<br />

294<br />

8300<br />

314<br />

314<br />

294<br />

257<br />

ESS<br />

a£30<br />

319<br />

213<br />

%M<br />

sat<br />

m<br />

aioo<br />

al80<br />

161<br />

Calendar year J.9%4 260,836 £6,800 1.9ft<br />

January...<br />

February..<br />

Hareh.....<br />

tl^::::;<br />

Joas......<br />

July......<br />

August....<br />

Septeaber.<br />

19, __._<br />

16,860<br />

14.91S<br />

80,803<br />

7.68C<br />

80,053<br />

83^798<br />

1,810<br />

403<br />

2,430<br />

2,510<br />

8,990<br />

478<br />

387<br />

SS1?<br />

S14<br />

SOT<br />

180<br />

' 88<br />

Hater ye«c 1944-45 886,017 98<br />

145<br />

301<br />

«44<br />

49?,<br />

River near Arwn!Ui, and BtrtWaw* Rf?er below Briery Sun/>*ai- ^i(^«S». '<br />

Time basis; Astern war tl»e up to 2 a.«.,-S«p*. SO, WSf ' ' '<br />

To oottveFFwir time to staikdard time, aubtraot 1 ho'wr. ' .<br />

2,510<br />

2,010<br />

750<br />

a600<br />

504,<br />

aSlO<br />

,-SfiO-

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