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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
1 394 395 376 437 547 757 610 281 446 539 482 353
2 382 400 384 396 540 864 617 278 434 396 521 344
3 366 436 381 382 561 901 663 295 373 351 467 351
4 380 515 381 391 544 913 747 314 338 353 461 377
5 382 630 403 395 535 949 867 339 358 368 523 429
6 377 651 462 446 545 825 1,070 361 412 482 579 445
7 372 566 447 487 579 846 1,120 376 452 472 520 428
8 369 491 424 468 547 809 994 350 465 398 410 397
9 350 439 382 444 536 662 800 343 558 408 379 378
10 375 418 379 388 589 604 621 355 656 463 420 368
11 398 436 385 359 590 673 515 363 619 517 413 352
12 412 430 377 361 573 772 460 294 555 434 398 344
13 398 444 414 354 560 799 434 269 463 424 357 344
14 383 446 449 363 621 829 393 266 403 432 348 367
15 374 410 444 366 721 825 373 267 500 415 352 380
16 408 421 425 384 617 802 383 285 443 423 352 409
17 411 398 454 392 665 708 436 327 452 454 403 404
18 409 389 427 438 644 647 507 413 526 447 440 357
19 440 409 400 507 590 659 609 504 508 652 465 348
20 542 437 386 550 621 626 614 500 444 969 494 384
21 559 438 443 564 704 573 524 470 459 818 437 443
22 531 486 414 601 659 542 446 349 517 534 408 494
23 516 499 384 628 608 542 417 315 494 446 423 555
24 489 519 374 549 629 556 408 349 517 516 560 551
25 447 504 380 542 676 566 396 322 528 613 524 463
26 467 458 360 586 754 627 416 345 449 755 470 391
27 472 457 368 626 778 724 440 307 510 693 423 362
28 457 418 418 597 801 702 413 312 789 523 399 379
29 443 380 434 560 802 526 366 357 1,060 434 406 405
30 406   436 555 772 504 341 360 790 419 403 396
31 405   450   762   301 441   448   380