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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 08147000 Colorado Rv nr San Saba, TX


Lampasas County, Texas
Hydrologic Unit Code 12090201
Latitude  31°13'04", Longitude  98°33'51" NAD27
Drainage area 31,217  square miles
Contributing drainage area 19,819  square miles
Gage datum 1,096.29 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 1930-10-01 -> 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
1 770 350 608 421 1,680 1,620 1,080 316 407 1,580 527 325
2 591 396 554 375 1,650 1,560 1,120 530 413 983 524 334
3 402 385 597 325 1,790 1,770 1,020 493 544 526 527 322
4 344 621 561 392 1,630 1,950 908 475 866 782 916 286
5 355 757 569 593 1,440 2,240 1,160 363 927 1,900 729 268
6 400 735 561 844 1,260 2,610 942 545 857 1,610 533 283
7 376 576 666 928 1,350 2,310 870 505 927 1,410 522 366
8 391 482 567 829 1,010 1,960 972 244 1,100 1,480 410 391
9 344 518 526 578 1,120 1,780 1,360 230 1,400 1,190 399 313
10 327 533 655 522 1,440 1,870 1,650 284 1,440 876 346 306
11 311 502 587 406 1,740 1,390 1,560 378 1,860 658 321 292
12 340 396 525 343 2,070 1,420 1,180 380 1,570 558 297 275
13 354 375 507 386 2,430 1,480 670 376 958 863 285 326
14 291 336 480 473 2,810 1,350 504 453 435 1,860 329 293
15 291 310 417 489 2,710 1,750 483 424 496 1,830 299 298
16 277 345 493 434 2,650 1,830 434 362 623 2,190 299 305
17 343 387 581 647 2,690 1,620 650 349 1,160 2,440 441 280
18 378 486 444 685 2,640 1,550 631 324 1,480 1,930 556 279
19 327 677 450 781 3,320 1,380 551 386 1,640 1,190 553 275
20 425 604 498 1,010 3,060 1,090 686 349 1,650 944 547 455
21 602 726 722 1,310 2,620 1,180 787 564 2,590 836 472 735
22 669 570 884 1,160 2,370 973 1,410 610 2,190 607 411 753
23 790 615 584 874 1,560 1,230 2,550 551 1,490 611 417 753
24 731 704 442 931 1,550 1,100 2,620 471 1,200 650 486 668
25 481 781 399 979 1,820 981 2,580 451 1,240 797 464 540
26 404 809 451 960 2,120 884 2,000 478 836 918 394 468
27 393 725 498 1,580 1,620 872 1,470 363 953 783 341 422
28 373 720 575 1,870 1,390 1,110 1,150 329 1,440 779 319 413
29 448 1,200 491 1,920 1,610 1,220 639 431 1,240 688 299 422
30 388   424 1,830 1,590 1,150 373 618 1,620 713 317 427
31 348   448   1,500   360 435   621   457