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USGS Daily Statistics for Colorado

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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 09119000 TOMICHI CREEK AT GUNNISON, CO


Gunnison County, Colorado
Hydrologic Unit Code 14020003
Latitude  38°31'16.0", Longitude 106°56'27.45" NAD83
Drainage area 1,061  square miles
Contributing drainage area 1,061  square miles
Gage datum 7,633.58 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 1937-10-01 -> 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 68 65 76 164 256 516 248 190 117 81 106 84
2 67 66 77 170 258 515 235 188 113 80 105 84
3 68 66 77 174 257 514 223 190 109 80 103 83
4 67 66 78 177 261 518 209 188 106 83 105 83
5 67 67 78 186 269 524 200 188 101 84 106 81
6 67 66 80 193 277 530 191 185 99 83 105 80
7 67 66 83 197 284 537 187 184 97 84 104 81
8 68 67 85 200 292 545 184 179 96 85 104 81
9 68 67 88 208 300 555 188 174 95 86 106 80
10 68 67 92 216 307 549 181 172 96 86 104 78
11 68 67 93 216 316 539 173 169 97 88 102 78
12 68 67 95 214 328 525 165 167 96 88 103 77
13 67 68 97 220 338 510 161 165 97 90 102 76
14 67 68 100 220 347 496 156 162 97 91 102 76
15 67 69 102 226 359 485 153 158 94 93 100 75
16 67 68 104 239 371 471 150 154 93 92 98 75
17 67 68 107 246 382 458 149 149 91 93 97 75
18 67 69 109 253 395 445 152 148 88 95 98 74
19 67 69 114 255 404 431 157 146 87 96 94 74
20 68 69 119 260 414 411 162 145 87 97 92 74
21 67 70 123 260 424 395 167 142 87 98 93 73
22 66 70 132 262 443 380 168 142 89 98 92 72
23 66 72 141 266 470 363 172 141 89 99 93 71
24 66 72 152 267 475 344 174 140 86 100 92 71
25 67 73 153 266 475 329 179 138 84 100 92 70
26 67 74 152 265 482 312 182 136 82 101 89 70
27 66 74 157 264 484 295 184 133 81 103 87 70
28 66 74 158 261 488 275 187 132 81 103 86 70
29 65 81 160 257 495 263 189 127 81 104 86 69
30 66   158 253 507 256 184 123 80 105 85 69
31 65   157   510   183 121   105   68