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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 08183500 San Antonio Rv nr Falls City, TX


Karnes County, Texas
Hydrologic Unit Code 12100303
Latitude  28°57'05", Longitude  98°03'50" NAD27
Drainage area 2,113  square miles
Contributing drainage area 2,113  square miles
Gage datum 285.49 feet above NGVD29
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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 -> 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
1 394 395 376 435 544 751 605 280 444 539 482 353
2 382 400 384 394 537 858 612 277 431 396 521 344
3 366 436 381 381 557 894 657 293 371 351 467 351
4 380 515 381 390 541 905 740 312 341 353 461 377
5 382 630 403 393 531 941 859 337 374 368 523 429
6 377 651 462 443 542 818 1,060 358 417 482 579 445
7 372 566 447 483 576 838 1,110 373 452 472 520 428
8 369 491 424 465 544 801 986 347 464 398 410 397
9 350 439 382 441 533 656 794 341 555 408 379 378
10 375 418 379 386 585 598 616 353 651 463 420 368
11 398 436 385 366 586 670 511 361 614 517 413 352
12 412 430 377 365 569 778 460 293 550 434 398 344
13 398 444 414 354 557 796 432 268 459 424 357 344
14 383 446 449 363 618 825 392 264 400 432 348 367
15 374 410 444 365 720 819 371 265 495 415 352 380
16 408 421 425 383 614 795 381 283 440 423 352 409
17 411 398 454 390 661 702 434 325 449 454 403 404
18 409 389 427 436 640 641 504 410 523 447 440 357
19 440 409 400 504 586 653 605 501 504 652 465 348
20 542 437 385 547 617 620 610 497 441 969 494 384
21 559 438 441 561 699 572 521 467 455 818 437 443
22 531 486 413 602 654 543 443 347 513 534 408 494
23 516 499 385 627 604 540 415 312 491 446 423 555
24 489 519 373 547 624 553 407 346 513 516 560 551
25 447 504 379 539 670 562 404 320 525 613 524 463
26 467 458 359 583 748 622 420 343 446 755 470 391
27 472 457 368 622 771 718 439 305 506 693 423 362
28 457 418 416 593 794 696 412 309 782 523 399 379
29 443 380 432 558 795 522 366 356 1,050 434 406 405
30 406   434 555 765 500 345 358 790 419 403 396
31 405   448   756   301 438   448   380