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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 -> 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
1 412 303 354 431 576 716 487 513 379 242 321 427
2 418 317 340 429 545 676 479 517 372 232 341 408
3 430 312 373 449 536 624 481 507 382 217 413 406
4 436 290 411 470 526 606 501 503 398 218 440 400
5 427 277 384 454 493 615 1,250 537 385 232 425 390
6 408 282 391 370 442 613 1,320 513 376 226 370 385
7 395 285 394 322 436 593 1,010 496 381 228 348 361
8 386 281 400 344 429 603 880 484 359 223 369 347
9 375 290 435 455 387 596 769 480 364 214 384 345
10 366 334 436 561 348 599 674 491 404 208 398 349
11 353 355 390 556 340 569 644 512 407 200 423 352
12 349 358 394 519 321 561 654 513 387 194 412 351
13 353 395 405 516 321 646 537 522 375 191 409 353
14 343 425 418 536 332 633 598 501 364 197 417 352
15 344 485 433 581 340 615 609 486 343 225 415 357
16 344 482 434 522 370 667 573 482 357 241 367 359
17 344 480 452 452 399 743 545 469 346 286 327 357
18 345 446 459 382 398 803 560 497 337 310 321 363
19 341 394 457 355 383 840 576 508 404 321 338 378
20 341 375 465 300 365 830 525 502 393 335 380 388
21 341 369 463 323 414 753 493 505 367 343 389 361
22 347 350 453 426 447 670 514 502 314 348 358 299
23 353 308 493 485 463 637 500 504 289 369 358 280
24 353 301 527 479 459 593 500 501 273 395 376 279
25 355 301 514 470 462 551 489 467 252 387 340 287
26 343 317 505 509 440 523 485 400 230 378 343 299
27 304 343 494 535 422 575 496 375 220 365 370 348
28 284 353 425 522 460 628 492 371 233 357 397 416
29 288 193 378 494 529 649 488 372 240 329 406 435
30 282   388 526 601 558 482 371 244 333 414 427
31 285   402   693   499 373   328   420