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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 08167800 Guadalupe Rv at Sattler, TX


Comal County, Texas
Hydrologic Unit Code 12100202
Latitude  29°51'32", Longitude  98°10'47" NAD27
Drainage area 1,436  square miles
Contributing drainage area 1,436  square miles
Gage datum 742.70 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
1 406 299 349 425 576 716 487 513 379 239 317 421
2 412 313 335 423 545 676 479 517 372 229 337 402
3 425 308 368 442 536 624 481 507 382 214 407 400
4 429 287 406 463 526 606 501 503 398 215 434 395
5 421 274 379 447 493 615 1,250 537 385 229 420 384
6 403 278 386 365 442 613 1,320 513 376 223 366 380
7 389 281 389 318 436 593 1,010 496 381 225 344 356
8 381 278 395 339 429 603 880 484 359 221 364 342
9 370 286 429 448 387 596 769 480 364 212 379 340
10 361 329 430 553 348 599 674 491 399 206 392 344
11 348 350 385 548 340 569 644 512 401 197 417 348
12 344 353 389 511 321 561 654 513 382 192 407 346
13 348 390 400 508 321 646 537 522 370 189 404 349
14 338 419 412 528 332 633 598 501 359 194 411 348
15 339 478 427 573 340 615 609 486 339 222 409 353
16 339 476 428 522 370 667 573 482 352 238 362 354
17 340 473 446 452 399 743 545 469 342 283 322 352
18 341 440 452 382 398 803 560 497 333 306 317 359
19 336 389 450 355 383 840 576 508 399 317 334 373
20 336 370 459 300 365 830 525 502 387 331 374 383
21 336 364 457 323 414 753 493 505 362 339 383 356
22 343 345 447 426 447 670 514 502 310 344 353 295
23 348 304 486 485 463 637 500 504 285 364 353 277
24 348 297 519 479 459 593 500 501 269 390 371 275
25 350 297 507 470 462 551 489 467 249 382 336 283
26 339 313 498 509 440 523 485 400 228 373 339 295
27 300 339 487 535 422 575 496 375 218 360 365 344
28 281 348 419 522 460 628 492 371 231 352 391 410
29 284 193 373 494 529 649 488 372 237 324 400 429
30 278   382 526 601 558 482 371 241 329 408 421
31 281   397   693   499 373   324   414