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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 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
1 508 636 1,000 857 1,360 1,740 755 381 349 286 722 501
2 459 700 862 736 1,520 1,670 699 399 382 333 654 473
3 500 606 859 700 1,820 1,690 701 400 328 319 739 492
4 504 520 802 749 1,510 1,630 719 401 337 353 835 464
5 524 509 790 808 1,660 1,470 628 335 415 377 809 461
6 495 482 823 751 1,660 1,350 608 319 423 323 694 422
7 478 435 846 675 1,470 1,360 574 300 463 372 604 402
8 497 493 848 808 1,470 1,300 522 272 594 381 532 461
9 553 600 831 824 1,590 1,340 486 228 653 585 509 521
10 559 570 792 664 1,400 1,330 503 227 468 506 475 534
11 514 504 859 617 1,430 1,430 529 286 405 417 492 535
12 469 618 1,030 621 1,390 1,340 472 255 461 426 386 583
13 496 637 969 610 1,450 1,330 472 270 491 623 432 574
14 445 557 827 754 1,570 1,300 428 308 420 605 398 510
15 390 537 753 644 1,610 1,320 449 252 356 606 442 499
16 511 613 891 644 1,750 1,350 419 218 290 718 439 540
17 556 684 956 734 2,250 1,280 376 222 328 702 457 537
18 498 716 892 927 2,120 1,250 355 251 271 752 504 486
19 510 662 1,010 841 1,960 1,150 330 290 298 796 413 451
20 468 650 1,210 1,110 1,810 1,130 289 292 319 768 356 608
21 420 776 1,150 1,200 1,500 1,100 281 232 449 633 308 687
22 562 980 983 1,040 1,310 1,080 278 337 508 643 331 589
23 603 954 864 1,010 1,340 1,040 283 358 399 694 379 701
24 565 903 808 1,240 1,390 985 316 278 263 697 390 708
25 573 1,120 844 1,400 1,590 997 311 264 270 694 476 615
26 562 1,140 855 1,300 1,850 976 330 235 300 689 477 592
27 500 998 989 1,270 1,600 899 281 271 306 690 553 700
28 489 1,030 1,070 1,450 1,600 911 373 261 298 678 559 642
29 573 950 1,020 1,540 1,680 898 391 265 267 750 582 595
30 563   1,140 1,350 1,810 790 397 296 313 643 553 554
31 579   1,150   1,770   428 262   695   496