Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

USGS Surface-Water Daily Statistics for Texas

Click to hide state-specific text

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 08181800 San Antonio Rv nr Elmendorf, TX


Bexar County, Texas
Hydrologic Unit Code 12100301
Latitude  29°13'19", Longitude  98°21'20" NAD27
Drainage area 1,743  square miles
Contributing drainage area 1,743  square miles
Gage datum 380.00 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1962-10-01 -> 2024-09-30)

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
1 416 431 435 451 612 917 670 351 487 343 616 403
2 414 459 421 422 709 1,010 790 424 349 345 602 418
3 450 570 429 461 553 1,080 832 428 357 341 525 572
4 432 879 528 452 514 1,140 1,250 513 402 383 666 637
5 408 774 535 613 591 1,240 1,510 524 462 462 717 513
6 398 621 524 530 729 833 1,540 443 500 410 622 459
7 406 529 474 459 723 834 1,420 438 521 451 491 411
8 388 484 432 489 764 710 799 534 836 495 461 427
9 473 495 447 404 615 734 658 467 764 626 519 420
10 430 498 436 401 525 988 591 337 801 632 495 395
11 460 475 437 395 599 955 566 364 637 525 403 388
12 430 487 482 381 591 841 527 319 547 528 381 385
13 415 452 523 418 798 900 441 342 528 477 375 410
14 404 471 578 446 692 1,010 433 326 623 507 390 394
15 483 469 496 422 744 893 464 350 472 551 405 414
16 498 441 535 530 783 789 748 389 530 535 541 432
17 442 427 487 484 695 806 999 823 594 539 551 405
18 665 491 425 685 799 820 956 679 541 1,380 578 394
19 685 456 448 594 807 715 629 637 480 1,070 560 521
20 573 513 508 676 876 628 520 513 485 702 512 533
21 617 480 478 729 680 644 569 468 490 527 463 560
22 539 495 446 520 702 698 586 457 594 537 529 672
23 537 504 444 498 602 772 500 465 591 595 646 583
24 499 539 451 621 879 679 513 391 452 781 601 497
25 604 495 421 717 921 722 556 382 395 1,020 538 428
26 507 521 420 683 1,070 754 615 331 521 717 508 395
27 534 456 455 495 969 569 508 335 973 572 511 406
28 450 429 532 452 712 528 461 354 614 472 520 419
29 428 418 566 492 656 760 377 382 472 502 455 421
30 430   483 542 813 728 349 408 417 533 407 418
31 446   541   970   340 523   602   447