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USGS Daily Statistics for the Nation

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
1 770 350 608 417 1,660 1,630 1,070 313 407 1,580 527 325
2 591 396 554 372 1,630 1,600 1,110 524 413 983 524 334
3 402 385 597 323 1,780 1,770 1,010 488 544 526 527 322
4 344 621 561 389 1,620 1,940 898 470 866 782 916 286
5 355 757 569 588 1,600 2,230 1,140 360 927 1,900 729 268
6 400 735 561 836 1,430 2,590 932 545 857 1,610 533 283
7 376 576 660 919 1,440 2,290 862 505 927 1,410 522 366
8 391 482 562 821 1,020 1,950 962 244 1,100 1,480 410 391
9 344 518 521 572 1,120 1,770 1,350 230 1,400 1,190 399 313
10 327 533 649 517 1,430 1,850 1,630 284 1,440 876 346 306
11 311 502 581 402 1,730 1,380 1,540 378 1,860 658 321 292
12 340 396 520 339 2,070 1,410 1,170 380 1,570 558 297 275
13 354 375 502 382 2,420 1,470 664 376 958 863 285 326
14 291 336 476 469 2,790 1,340 499 453 435 1,860 329 293
15 291 310 413 484 2,690 1,730 478 424 496 1,830 299 298
16 277 345 488 429 2,660 1,810 430 362 623 2,190 299 305
17 343 387 575 641 2,740 1,610 643 349 1,160 2,440 441 280
18 378 486 440 678 2,670 1,540 625 324 1,480 1,930 556 279
19 327 677 446 773 3,300 1,360 546 386 1,640 1,190 553 275
20 425 604 493 999 3,040 1,080 679 349 1,650 944 547 455
21 602 726 715 1,300 2,600 1,170 778 564 2,590 836 472 735
22 669 570 875 1,150 2,350 964 1,390 610 2,190 607 411 753
23 790 615 578 865 1,620 1,220 2,520 551 1,490 611 417 753
24 731 704 439 922 1,590 1,090 2,590 471 1,200 650 486 668
25 481 781 396 969 1,810 972 2,550 451 1,240 797 464 540
26 404 809 447 951 2,110 875 1,980 478 836 918 394 468
27 393 725 493 1,570 1,610 864 1,450 363 953 783 341 422
28 373 720 570 1,850 1,380 1,100 1,140 329 1,440 779 319 413
29 448 1,200 487 1,900 1,600 1,210 633 431 1,240 688 299 422
30 388   420 1,810 1,570 1,140 369 618 1,620 713 317 427
31 348   444   1,490   357 435   621   457