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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 08168500 Guadalupe Rv abv Comal Rv at New Braunfels, TX


Comal County, Texas
Hydrologic Unit Code 12100202
Latitude  29°42'53", Longitude  98°06'35" NAD27
Drainage area 1,518  square miles
Contributing drainage area 1,518  square miles
Gage datum 586.80 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 1963-10-01 -> 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
1 482 376 446 493 671 823 593 577 454 295 411 485
2 487 387 419 507 632 803 605 578 450 309 409 479
3 501 395 436 508 627 750 583 571 442 270 491 482
4 509 391 519 557 614 727 592 551 463 279 515 466
5 502 371 472 565 622 727 1,350 603 462 283 497 462
6 482 376 472 473 532 749 1,600 582 449 276 462 456
7 464 374 477 405 518 690 1,210 564 457 275 420 438
8 458 373 472 409 523 717 1,030 552 471 277 435 417
9 448 375 499 471 492 857 904 542 439 271 456 412
10 443 407 461 538 449 745 771 547 483 265 466 413
11 432 448 470 554 503 691 722 572 489 270 497 418
12 419 428 472 512 632 666 744 576 474 257 480 414
13 428 478 477 511 424 769 644 587 467 257 490 417
14 419 483 495 515 434 760 649 572 448 300 484 415
15 414 566 510 565 448 722 691 525 423 289 507 425
16 419 565 512 568 486 760 675 573 435 309 461 426
17 418 565 526 540 520 833 643 557 443 765 424 426
18 429 543 533 484 526 903 647 583 395 588 397 429
19 420 490 533 451 507 941 655 589 468 403 397 449
20 455 465 535 396 477 938 642 571 460 414 428 480
21 433 458 545 397 525 885 572 579 448 418 446 474
22 443 445 529 470 547 790 600 574 395 422 516 410
23 437 399 553 563 567 742 575 575 347 442 432 370
24 433 388 607 560 574 700 570 576 326 494 499 361
25 442 388 595 559 573 675 567 556 307 473 435 359
26 432 402 584 576 561 630 548 483 280 467 424 373
27 394 426 583 622 529 650 590 456 309 428 453 405
28 362 438 527 604 553 718 559 442 283 424 469 480
29 368 240 452 588 619 751 552 444 297 406 475 503
30 362   458 576 712 689 547 448 297 519 476 503
31 360   464   813   559 451   499   492