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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 09132500 NORTH FORK GUNNISON RIVER NEAR SOMERSET, CO.


Gunnison County, Colorado
Hydrologic Unit Code 14020004
Latitude  38°55'33", Longitude 107°26'01" NAD27
Drainage area 525  square miles
Gage datum 6,082.25 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 1933-10-01 -> 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 69 64 85 273 1,270 1,810 823 248 180 128 106 81
2 67 64 89 296 1,320 1,820 778 239 175 124 100 81
3 67 65 92 314 1,400 1,800 740 235 170 126 95 79
4 67 65 95 319 1,510 1,780 699 228 167 123 97 80
5 68 65 94 329 1,560 1,790 645 226 166 119 96 78
6 69 66 95 346 1,610 1,800 609 226 170 117 94 80
7 68 65 97 368 1,660 1,810 587 221 166 118 95 83
8 68 65 98 408 1,690 1,770 573 216 167 115 96 79
9 67 65 106 447 1,710 1,710 552 211 164 116 94 76
10 66 65 113 466 1,760 1,630 525 208 164 122 93 73
11 67 65 118 494 1,810 1,590 497 208 161 123 92 72
12 67 66 124 528 1,860 1,560 475 206 161 123 94 74
13 67 66 130 576 1,890 1,530 452 205 165 122 94 73
14 66 68 136 614 1,890 1,510 426 205 158 120 92 72
15 65 67 141 648 1,940 1,470 403 200 153 118 90 72
16 64 67 149 689 1,980 1,440 381 198 147 116 89 72
17 64 67 155 743 2,030 1,400 368 197 145 115 90 72
18 64 68 161 802 2,000 1,360 356 197 142 117 88 71
19 64 69 166 856 2,000 1,300 342 196 143 119 91 71
20 63 71 169 898 2,040 1,270 332 194 145 117 89 72
21 63 72 179 966 2,080 1,260 321 193 142 113 85 72
22 62 73 193 1,040 2,100 1,210 307 191 143 113 83 71
23 62 75 207 1,090 2,060 1,140 298 190 143 111 84 71
24 62 76 212 1,110 2,030 1,090 290 190 138 110 83 71
25 63 76 212 1,130 1,970 1,060 283 191 135 108 83 70
26 63 77 221 1,140 1,950 1,010 279 191 134 110 83 70
27 63 80 235 1,130 1,990 963 270 190 136 108 82 70
28 62 81 252 1,150 2,010 922 262 186 138 105 81 70
29 62 78 256 1,190 1,960 896 255 185 137 105 80 69
30 62   253 1,230 1,930 862 252 187 135 105 80 71
31 63   268   1,860   250 184   105   70