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USGS Daily Statistics for California

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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 11274790 TUOLUMNE R A GRAND CYN OF TUOLUMNE AB HETCH HETCHY


Tuolumne County, California
Hydrologic Unit Code 18040009
Latitude  37°55'00", Longitude 119°39'32" NAD27
Drainage area 301  square miles
Gage datum 3,830 feet above NGVD29
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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 2006-10-01 -> 2019-09-30)

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
1 109 161 211 437 972 1,200 785 224 60 26 137 99
2 110 157 242 455 1,030 1,270 787 205 56 25 141 136
3 107 164 230 465 1,100 1,310 804 190 53 26 119 132
4 136 159 233 485 1,160 1,370 792 178 51 35 111 112
5 142 158 249 499 1,170 1,430 752 174 50 43 100 115
6 127 164 270 562 1,140 1,430 690 172 49 41 97 117
7 144 226 246 798 1,100 1,420 679 154 47 38 97 102
8 272 289 234 712 1,110 1,380 642 144 45 37 98 103
9 266 303 240 630 1,150 1,340 603 135 43 36 100 119
10 192 279 246 586 1,230 1,330 554 127 40 37 100 143
11 181 241 254 570 1,300 1,150 507 121 39 50 92 149
12 163 219 266 568 1,320 1,020 472 112 48 47 91 133
13 161 211 305 592 1,280 1,050 469 108 50 55 92 125
14 154 206 322 587 1,300 1,100 451 107 51 98 104 119
15 154 203 322 570 1,350 1,210 452 105 46 61 100 149
16 154 204 358 559 1,370 1,220 423 99 42 95 136 158
17 152 211 360 604 1,360 1,180 409 95 39 103 150 128
18 153 217 362 686 1,300 1,230 372 90 35 101 118 140
19 161 205 366 711 1,280 1,270 342 89 32 99 106 158
20 152 218 378 760 1,300 1,280 322 88 30 87 100 132
21 164 213 410 789 1,280 1,290 322 86 41 80 106 133
22 178 207 445 854 1,230 1,310 303 79 42 74 107 156
23 186 204 372 878 1,210 1,290 298 81 39 69 109 136
24 189 203 360 869 1,170 1,150 301 82 39 197 100 132
25 174 203 359 829 1,150 1,050 285 78 37 254 96 126
26 166 203 354 877 1,120 1,030 264 73 35 139 96 122
27 164 216 354 916 1,120 993 242 69 32 95 109 119
28 158 212 369 943 1,150 961 229 70 30 162 101 119
29 160 237 382 933 1,130 953 227 67 29 131 97 118
30 186   419 933 1,170 816 241 63 27 162 110 115
31 170   436   1,210   245 63   134   109