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SURFACE WATER SUPFLY of the UNITED STATEP

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PEARL mm 551<br />

Pearl River near Rockport, Miss.<br />

Location.- water-stage recorder, lat. 3i047'25*., long. 90°08'35", in SWfc sec. 31, T- 10<br />

ft., R. 11 .S. Washington meridian, at county highway bridge, about 1 alle upstream from<br />

8 inkier Greek, 2 miles east <strong>of</strong> Rockport, and 7* miles downstream from Strong River;<br />

Datum <strong>of</strong> gage 1« 180.19 feet above mean sea level, datum <strong>of</strong> 1929 (levels by Corps <strong>of</strong><br />

Engineers, u. s. Amy).<br />

Drainage area.- 4,600 square miles.<br />

ftecoral s*aiiai>le .- June 1939 to September 1945.<br />

.- Harms discharge during year, , 37,100 , second-feet - Mir. . 6 (gage height, 30.84<br />

fe'etjf minimum, 272 second-feet Nov. 8 (gage height, 4.51 feet).<br />

1939-45: raxlmum discharge, 45,800 second-feet Apr. 7, 1944 (gage height, 32.39<br />

feet): mlnitu% 262 second-feet Oct. 85-31, 1943; minimum gage height, 4,: 1 feet<br />

Oct. 25-28, 1948.<br />

mxlmum stage known, 36.25 feet Apr. 9, 1938, from floodmarks; a dlstfiarge <strong>of</strong>-<br />

55,200 second-feet was measured by Corps <strong>of</strong> Engineers, u. S. Army, ontrame day (gage<br />

height, 35.0 feet).<br />

Remarks.- Records good.<br />

Day<br />

1<br />

g 345<br />

6<br />

7 89<br />

10<br />

11<br />

IS<br />

Is<br />

14<br />

15<br />

16<br />

17<br />

18<br />

18<br />

20<br />

21<br />

22<br />

23<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

Oct.<br />

- 375<br />

-364<br />

345<br />

337<br />

391<br />

448<br />

444<br />

455<br />

441<br />

391<br />

366<br />

357<br />

345<br />

340<br />

"" 331<br />

328<br />

320<br />

315<br />

316<br />

312<br />

310<br />

304<br />

302<br />

299<br />

297<br />

294<br />

292<br />

269<br />

287<br />

E87<br />

884<br />

Nov.<br />

4.5<br />

4.9<br />

5.3<br />

6.0<br />

7.5<br />

9.0<br />

Rating tables, water year 1944-45 (gage<br />

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

Oct. 1 to July SI<br />

270<br />

378<br />

s&i<br />

849<br />

1,680<br />

2,790<br />

11.0<br />

14.0<br />

18.0<br />

23.0<br />

27.0<br />

30.2<br />

4,600<br />

7,860<br />

13,000<br />

20,400<br />

27,800<br />

36,700<br />

Aug. 1 to Sept. 30<br />

4.8<br />

5.1<br />

6.4<br />

8.3<br />

9.7<br />

10.8<br />

395<br />

538<br />

1,220<br />

2,300<br />

3,380<br />

3,330<br />

Discharge, in second-feet, water year October 1944 to September 194S<br />

282<br />

282<br />

282<br />

260<br />

280<br />

280<br />

875<br />

287<br />

367<br />

404<br />

360<br />

328<br />

812<br />

307<br />

312<br />

317<br />

369<br />

407<br />

489<br />

798<br />

774<br />

609<br />

686<br />

630<br />

- 760<br />

976<br />

924<br />

799<br />

702<br />

655<br />

-<br />

Month<br />

Dec.<br />

665<br />

632<br />

609<br />

586<br />

564<br />

678<br />

1,740<br />

2,090<br />

1,630<br />

1,240<br />

1,380<br />

1,880<br />

2,020<br />

1,950<br />

1,770<br />

1,630<br />

1,350<br />

1,210<br />

1,130<br />

1,080<br />

1,830<br />

976><br />

1,030<br />

1,060<br />

1,050<br />

1,190<br />

2,790<br />

3,580<br />

' 3,660<br />

3,660<br />

3,650<br />

Jan.<br />

5,610<br />

6,600<br />

6,720<br />

5,300<br />

5,100<br />

6,400<br />

10,600<br />

10,800<br />

9,060<br />

7,980<br />

7,260<br />

6,710<br />

6,820<br />

7,380<br />

6,820<br />

6,380<br />

6,830<br />

6,200<br />

6,200<br />

5,100<br />

4,500<br />

4,600<br />

4,300<br />

4,200<br />

4,200<br />

4,300<br />

4,300<br />

4,100<br />

3,830<br />

3,380<br />

2,870<br />

October-. .........................<br />

Howaber. ........................<br />

December ..........................<br />

Calendar year 1944 ............<br />

January ............ _.--, ...........<br />

February ..............'...........<br />

March... ...... ...................<br />

April ............................<br />

Itar..... .........................<br />

June .............................<br />

July.............................<br />

August . ..........................<br />

September ........................<br />

Water year 1944-46 ............<br />

Feb.<br />

2,550<br />

2,230<br />

2,090<br />

2,230<br />

15,100<br />

18,300<br />

16,300<br />

12,100<br />

9>790<br />

8,820<br />

8,340<br />

9,920<br />

19,000<br />

20,400<br />

19,100<br />

16,900<br />

16,100<br />

13,900<br />

13,500<br />

16,400<br />

21,200<br />

28,300<br />

30,200<br />

30,000<br />

29,000<br />

28,000<br />

26,900<br />

26,500<br />

_<br />

_ -<br />

Second-<br />

foot-days<br />

10,555<br />

14,253<br />

46,920<br />

2,355,269<br />

179,450<br />

462,670<br />

788,100<br />

331,120<br />

128,660<br />

144,170<br />

83,006<br />

16,51£<br />

2,266,318<br />

Mar,_<br />

27,600<br />

29,700<br />

31,800<br />

34,100<br />

36,700<br />

36,700<br />

34,400<br />

31,800<br />

27,400<br />

23,900<br />

21,000<br />

18,600<br />

20,100<br />

21,800<br />

21,700<br />

24,500<br />

25,700<br />

27,100<br />

27,400<br />

27,400<br />

26,900<br />

24,900<br />

22,700<br />

20,200<br />

18,800<br />

28,000<br />

23,200<br />

22,300<br />

-20,700<br />

19,000<br />

18,100<br />

Majcinmm<br />

Apr.<br />

18,200<br />

24,100<br />

23,200<br />

22,500<br />

21,000<br />

19,800<br />

18,200<br />

17,000<br />

16., 400<br />

16,000<br />

15,200<br />

14,400<br />

13,100<br />

11,600<br />

9,790<br />

7,620<br />

6,050<br />

4,900<br />

4,010<br />

«,660<br />

455<br />

3,660<br />

45,300<br />

10,300<br />

, 30,200<br />

24)lOO<br />

7,60O<br />

14,200<br />

7,620<br />

3,830<br />

1,300<br />

36,700<br />

3,560<br />

3,470<br />

4,300<br />

3,470<br />

5,830<br />

4,600<br />

3,290<br />

3,660<br />

5,940<br />

6,380<br />

-<br />

May<br />

Minimum<br />

5,610<br />

5,200<br />

6,200<br />

5,400<br />

5,300<br />

4,800<br />

3,980<br />

3,380<br />

2,950<br />

2,650<br />

2,470<br />

3,110<br />

4,600<br />

4,600<br />

3,920<br />

6,100<br />

7,500<br />

7,040<br />

6,270<br />

5,830<br />

5,300<br />

6,100<br />

4,800<br />

4,100<br />

3,290<br />

2,630<br />

2,160<br />

1,960<br />

1,710<br />

1,560<br />

r,4io<br />

284<br />

275<br />

564<br />

275<br />

2,870<br />

18^100<br />

3,290<br />

1,410<br />

1,000<br />

-976<br />

787<br />

423<br />

276<br />

June<br />

1,320<br />

' 1,210<br />

1,160<br />

1,1X0<br />

1,050<br />

1,000<br />

1,050<br />

1,440<br />

1,41O<br />

1,810<br />

1,110<br />

1,590<br />

1,680<br />

4,260<br />

14,200<br />

13,900<br />

20,800<br />

10,000<br />

11,900<br />

11,200<br />

9,540<br />

8,700<br />

7,980<br />

7,160<br />

5,610<br />

3,920<br />

2,870<br />

2,310<br />

1,880<br />

1,620<br />

-<br />

Mean<br />

340<br />

476<br />

1,578<br />

5,436<br />

5,789<br />

16,620<br />

25,420<br />

11,040<br />

4,160<br />

4,806<br />

2,678<br />

1,545<br />

660<br />

6,179<br />

July<br />

2*230<br />

2,390<br />

2,090<br />

1,560<br />

1,320<br />

1,470<br />

2,480<br />

3,200<br />

2,630<br />

8,090<br />

2,160<br />

2,310<br />

8,390<br />

4,010<br />

4,100<br />

3,380<br />

3,200<br />

2,630<br />

1,960<br />

1,590<br />

1,440<br />

1,240<br />

B*Q86<br />

976<br />

1,470<br />

7,620<br />

4,400<br />

2,960<br />

4,010<br />

4,200<br />

4,500<br />

Per sqvare<br />

Mile<br />

Aug.<br />

0.074<br />

.103<br />

. 343<br />

1.40<br />

1.86<br />

3.59<br />

6.53<br />

2.40<br />

1^04<br />

.582<br />

.336<br />

.120<br />

1.34<br />

3,830<br />

3,330<br />

3,120<br />

2,800<br />

8,300<br />

1,940<br />

1,600<br />

1,440<br />

1,320<br />

1,270<br />

1,190<br />

1,10O<br />

1,050<br />

1,050<br />

1,08*<br />

1,060<br />

968<br />

942<br />

390<br />

838<br />

1,220<br />

1,8£0<br />

2,650<br />

2,000<br />

1,380<br />

1,160<br />

1,020<br />

916<br />

890<br />

838<br />

787<br />

Sept.<br />

736<br />

686<br />

636<br />

687<br />

662<br />

687<br />

636<br />

587<br />

538<br />

504<br />

504<br />

638<br />

490<br />

471<br />

456<br />

437<br />

428<br />

428<br />

437<br />

456<br />

1,300<br />

711<br />

504 456'<br />

433<br />

533<br />

672<br />

456<br />

423<br />

423<br />

-<br />

Run<strong>of</strong>f IB<br />

inches<br />

Time baaJUl t Centj^O. mar time up to 2 a.m., Sept. 30, 1945; central standard tine <strong>the</strong>reafter.<br />

To c

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