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USGS Surface-Water 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 09136100 NORTH FK GUNNISON RIVER ABOVE MOUTH NR LAZEAR, CO


Delta County, Colorado
Hydrologic Unit Code 14020004
Latitude  38°47'06.60", Longitude 107°50'00.30" NAD83
Drainage area 969  square miles
Gage datum 5,104.98 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 2008-10-01 -> 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
1 133 129 145 385 1,370 1,750 688 140 120 155 184 146
2 135 127 156 402 1,330 1,820 635 138 121 162 185 147
3 138 129 160 426 1,300 1,850 592 129 122 167 186 152
4 139 129 161 397 1,340 1,810 538 130 120 167 187 154
5 140 127 160 412 1,410 1,910 490 145 121 166 189 148
6 141 132 156 439 1,570 2,010 463 138 120 170 187 143
7 143 129 163 440 1,780 2,070 412 128 118 170 184 142
8 140 129 164 492 1,800 1,970 382 126 118 166 181 144
9 139 132 160 609 1,820 1,890 404 124 124 169 181 144
10 146 138 159 686 1,760 1,760 351 119 140 178 178 144
11 146 144 170 721 1,680 1,700 307 118 129 182 172 141
12 137 142 183 796 1,710 1,690 308 120 126 182 166 142
13 138 144 198 848 1,770 1,560 308 118 127 181 164 145
14 138 148 204 846 1,850 1,490 271 123 129 181 172 151
15 139 153 211 816 1,920 1,350 250 129 133 186 175 150
16 139 149 237 853 2,050 1,310 226 123 137 185 173 148
17 140 143 256 858 2,070 1,300 208 124 135 185 163 149
18 141 141 281 957 2,000 1,220 194 125 140 186 160 139
19 140 148 306 1,140 1,920 1,150 177 127 147 186 159 139
20 139 149 304 1,190 1,820 1,110 165 147 136 188 160 141
21 140 145 303 1,240 1,750 1,070 159 126 137 188 162 152
22 137 145 312 1,320 1,680 1,040 156 121 151 192 161 153
23 131 145 313 1,240 1,630 937 141 126 190 199 157 150
24 130 139 315 1,190 1,700 839 132 134 171 201 157 149
25 127 138 316 1,160 1,740 797 141 130 158 203 150 150
26 126 138 308 1,120 1,700 784 136 130 149 218 149 146
27 133 138 318 1,120 1,720 765 134 138 150 206 152 143
28 131 146 341 1,160 1,770 730 150 140 154 200 153 145
29 128 160 388 1,200 1,820 704 156 133 151 206 159 142
30 131   358 1,360 1,840 684 150 128 151 205 152 140
31 131   370   1,740   143 125   189   136