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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 08049500 W Fk Trinity Rv at Grand Prairie, TX


Dallas County, Texas
Hydrologic Unit Code 12030102
Latitude  32°45'45", Longitude  96°59'40" NAD83
Drainage area 3,065  square miles
Contributing drainage area 3,065  square miles
Gage datum 405.30 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 1924-10-01 -> 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
1 510 631 1,010 863 1,300 1,720 759 381 349 286 728 504
2 462 699 868 741 1,510 1,660 703 399 382 333 659 476
3 503 605 863 705 1,780 1,690 701 400 328 319 744 495
4 507 521 795 754 1,470 1,630 719 401 337 353 833 464
5 527 510 784 785 1,610 1,470 628 335 415 377 799 462
6 498 483 826 738 1,580 1,350 608 319 423 323 695 424
7 480 436 851 675 1,370 1,360 574 300 463 372 607 402
8 499 495 853 811 1,390 1,300 522 272 594 384 535 450
9 552 604 834 828 1,520 1,300 486 228 653 589 510 519
10 542 573 796 667 1,340 1,320 503 227 468 510 475 536
11 507 502 864 620 1,400 1,420 529 286 405 420 494 538
12 467 586 1,040 624 1,370 1,320 472 255 461 429 388 587
13 495 623 976 613 1,440 1,330 472 270 491 628 434 578
14 446 553 833 758 1,560 1,310 428 308 420 610 400 513
15 391 535 759 648 1,610 1,330 449 252 356 610 445 502
16 513 613 897 648 1,750 1,350 419 218 290 724 441 535
17 559 687 963 739 2,250 1,280 376 222 328 708 460 532
18 501 720 899 935 2,120 1,260 355 251 271 758 500 486
19 513 665 1,020 846 1,960 1,150 330 290 298 803 396 453
20 470 653 1,220 1,110 1,810 1,130 289 292 319 774 353 612
21 422 781 1,160 1,200 1,500 1,100 281 232 449 638 307 692
22 565 987 990 1,050 1,300 1,080 278 337 508 648 331 593
23 607 960 871 989 1,340 1,040 283 358 399 699 380 706
24 569 909 814 1,230 1,390 987 316 278 263 702 392 709
25 576 1,120 851 1,390 1,600 1,000 311 264 270 699 479 607
26 566 1,150 861 1,300 1,830 979 330 235 300 694 480 585
27 503 1,000 996 1,270 1,590 903 281 271 306 695 556 685
28 492 1,030 1,080 1,460 1,590 915 373 261 298 683 562 640
29 570 950 1,020 1,550 1,660 903 391 265 267 756 586 595
30 486   1,150 1,320 1,790 794 397 296 313 648 557 556
31 549   1,160   1,750   428 262   700   498