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USGS Daily Statistics for the Nation

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
1 564 353 779 792 429 460 166 75 34 7 401 380
2 540 384 713 758 505 433 142 46 22 6.5 326 323
3 583 394 705 677 637 493 145 43 22 7.1 325 399
4 539 420 729 712 568 568 127 72 22 41 350 462
5 502 396 622 787 578 512 99 94 16 17 353 394
6 470 374 614 623 636 542 101 125 15 19 383 373
7 543 390 733 604 599 485 125 146 14 77 349 380
8 551 537 724 618 604 490 104 146 12 69 309 411
9 498 413 810 651 592 479 92 140 18 115 282 443
10 479 343 659 592 529 398 148 128 15 105 244 428
11 489 387 672 639 579 465 132 75 13 94 212 442
12 463 474 790 601 628 494 163 63 13 96 235 436
13 439 499 878 573 577 430 159 74 13 147 273 544
14 399 450 805 664 519 446 147 68 13 121 272 498
15 383 460 807 570 468 377 140 119 14 188 272 488
16 361 528 846 485 512 381 125 152 13 178 257 644
17 372 443 812 493 566 390 153 154 15 169 292 562
18 345 392 839 523 489 399 159 147 9.2 208 275 531
19 380 457 873 512 664 361 131 132 10 378 312 559
20 364 567 1,030 598 625 372 95 127 16 357 325 525
21 382 679 852 541 589 308 111 115 12 252 306 524
22 362 617 904 464 514 389 121 109 10 329 297 470
23 349 655 933 448 485 336 115 108 20 334 310 476
24 305 536 947 452 477 384 108 107 8.3 339 392 510
25 334 599 1,020 453 536 279 89 105 7.6 328 307 506
26 316 675 985 411 477 240 79 104 11 356 206 560
27 276 640 905 407 385 207 71 105 9.1 344 262 702
28 270 674 869 431 430 209 87 102 7.5 366 357 663
29 375 364 820 509 419 178 65 89 6.9 398 345 653
30 434   804 609 524 166 41 69 6.7 357 397 642
31 398   855   439   77 62   386   602