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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
1 581 358 802 778 414 473 166 75 34 7 413 391
2 556 393 734 741 481 441 142 46 22 6.5 336 333
3 600 401 726 652 605 506 145 43 22 7.1 335 411
4 556 424 745 688 536 559 127 72 22 41 361 476
5 517 399 639 659 547 508 99 94 16 17 364 406
6 484 377 632 589 571 528 101 125 15 19 394 384
7 559 393 755 582 505 469 125 146 14 77 359 392
8 567 545 745 563 523 474 104 146 12 69 318 423
9 513 418 832 574 518 439 92 140 18 115 291 456
10 492 349 677 514 455 366 148 128 15 105 251 441
11 503 389 691 563 509 386 132 75 13 94 219 455
12 475 463 813 527 584 366 163 63 13 96 242 450
13 452 473 902 499 561 392 159 74 13 147 282 560
14 411 408 827 594 501 397 147 68 13 121 281 513
15 394 418 829 507 449 328 140 119 14 188 280 502
16 372 488 869 452 500 332 125 152 13 178 265 663
17 383 403 835 471 564 328 153 154 15 169 301 579
18 355 368 863 511 486 316 159 147 9.2 208 283 547
19 391 459 898 500 666 277 131 132 10 378 322 576
20 375 576 1,060 589 625 306 95 127 16 357 334 541
21 393 697 877 530 588 258 111 115 12 259 315 539
22 373 634 931 458 518 342 121 109 10 339 306 484
23 359 673 961 447 495 288 115 108 20 344 320 490
24 314 551 975 452 490 348 108 107 8.3 350 404 525
25 344 617 1,050 453 551 279 89 105 7.6 338 317 521
26 325 695 1,010 410 489 240 79 104 11 367 212 576
27 285 659 932 405 395 207 71 105 9.1 355 270 719
28 278 694 887 433 441 209 87 102 7.5 377 368 673
29 386 364 841 516 431 178 65 89 6.9 410 355 669
30 328   827 611 538 166 41 69 6.7 367 409 661
31 374   860   451   77 62   398   620