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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 11276900 TUOLUMNE R BL EARLY INTAKE NR MATHER CA


Tuolumne County, California
Hydrologic Unit Code 18040009
Latitude  37°52'54", Longitude 119°58'09" NAD27
Drainage area 487  square miles
Gage datum 2,220.55 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 1967-10-01 -> 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
1 226 230 379 443 986 2,080 1,540 357 130 85 78 94
2 232 237 393 449 1,080 2,070 1,520 331 122 76 78 93
3 382 253 404 449 1,100 2,170 1,520 294 123 72 78 97
4 357 259 406 476 1,110 2,230 1,450 264 123 72 80 91
5 398 263 403 494 1,140 2,290 1,420 258 119 67 87 90
6 384 282 401 495 1,160 2,300 1,380 254 119 68 84 88
7 325 337 393 509 1,150 2,250 1,410 238 119 69 78 84
8 295 318 417 530 1,200 2,260 1,350 235 121 72 92 87
9 197 348 418 529 1,290 2,320 1,320 227 119 71 84 98
10 219 373 448 550 1,340 2,320 1,220 230 121 71 77 120
11 216 277 449 563 1,380 2,340 1,140 224 119 69 77 132
12 221 263 454 564 1,450 2,340 1,100 197 119 66 81 138
13 214 291 473 578 1,530 2,180 1,070 183 118 67 80 145
14 231 318 503 610 1,660 2,050 1,030 184 119 67 83 153
15 237 311 492 617 1,750 2,010 965 186 120 67 85 180
16 237 321 480 647 1,900 1,980 861 180 107 69 93 236
17 235 331 462 671 1,960 2,020 749 170 97 71 97 204
18 204 332 447 690 2,020 2,090 671 168 96 73 102 181
19 225 352 444 686 2,060 2,100 623 171 91 70 106 156
20 214 358 447 671 2,010 2,120 607 182 87 69 102 137
21 248 365 462 674 1,980 2,140 609 177 89 72 85 126
22 226 344 510 692 1,930 2,080 606 166 93 72 98 157
23 225 339 544 725 2,000 1,980 593 158 91 72 95 143
24 259 410 551 816 2,130 1,980 581 155 92 72 94 140
25 287 438 546 829 2,170 1,970 530 154 93 74 92 145
26 288 384 520 817 2,180 1,800 493 150 93 72 92 156
27 268 375 563 888 2,210 1,730 483 148 90 71 87 157
28 238 370 508 961 2,260 1,820 469 146 88 77 88 158
29 221 380 469 976 2,180 1,760 450 141 90 95 94 217
30 219   458 970 2,110 1,640 438 139 91 96 102 272
31 221   447   2,100   415 140   88   271