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USGS Daily Statistics for Texas

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 07342500 S Sulphur Rv nr Cooper, TX


Delta County, Texas
Hydrologic Unit Code 11140301
Latitude  33°21'23", Longitude  95°35'41" NAD27
Drainage area 527  square miles
Contributing drainage area 527  square miles
Gage datum 369.85 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1991-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 564 353 802 778 414 473 166 75 34 7 401 380
2 540 384 734 741 481 441 142 46 22 6.5 326 323
3 583 394 726 652 605 506 145 43 22 7.1 325 399
4 539 420 745 688 536 559 127 72 22 41 350 462
5 502 396 639 659 547 508 99 94 16 17 353 394
6 470 374 632 589 571 528 101 125 15 19 383 373
7 543 390 755 582 505 469 125 146 14 77 349 380
8 551 537 745 563 523 474 104 146 12 69 309 411
9 498 413 832 574 518 439 92 140 18 115 282 443
10 479 343 677 514 455 366 148 128 15 105 244 428
11 489 387 691 563 509 386 132 75 13 94 212 442
12 463 474 813 527 584 366 163 63 13 96 235 436
13 439 499 902 499 561 392 159 74 13 147 273 544
14 399 450 827 594 501 397 147 68 13 121 272 498
15 383 460 829 507 449 328 140 119 14 188 272 488
16 361 528 869 452 500 332 125 152 13 178 257 644
17 372 443 835 471 564 328 153 154 15 169 292 562
18 345 392 863 511 486 316 159 147 9.2 208 275 531
19 380 457 898 500 666 277 131 132 10 378 312 559
20 364 567 1,060 589 625 306 95 127 16 357 325 525
21 382 679 877 530 588 258 111 115 12 252 306 524
22 362 617 931 458 518 342 121 109 10 329 297 470
23 349 655 961 447 495 288 115 108 20 334 310 476
24 305 536 975 452 490 348 108 107 8.3 339 392 510
25 334 617 1,050 453 551 279 89 105 7.6 328 307 506
26 316 695 1,010 410 489 240 79 104 11 356 206 560
27 276 659 932 405 395 207 71 105 9.1 344 262 702
28 270 694 887 433 441 209 87 102 7.5 366 357 663
29 375 364 841 516 431 178 65 89 6.9 398 345 653
30 434   827 611 538 166 41 69 6.7 357 397 642
31 398   860   451   77 62   386   602