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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 09019500 COLORADO RIVER NEAR GRANBY, CO


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  40°07'15", Longitude 105°54'00" NAD27
Drainage area 323  square miles
Gage datum 7,960 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 1949-10-01 -> 2024-09-30)

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 29 27 29 181 90 143 245 84 47 55 26 28
2 28 28 30 174 101 150 249 75 40 58 25 28
3 28 29 31 185 99 145 226 70 39 60 25 28
4 28 31 30 194 101 145 199 65 40 67 25 28
5 29 31 31 167 101 154 180 61 40 75 25 28
6 28 32 31 161 101 155 151 61 40 71 27 28
7 27 30 32 157 102 154 140 61 40 64 27 28
8 28 30 31 154 103 149 141 58 38 64 28 29
9 28 29 32 149 103 147 141 55 36 63 26 29
10 27 30 32 128 105 148 147 58 36 63 23 30
11 28 30 31 114 104 152 162 64 35 49 27 28
12 27 31 30 110 101 157 159 67 34 37 27 25
13 28 32 32 105 101 168 158 64 36 37 28 25
14 28 31 33 89 99 165 160 62 39 38 27 30
15 29 31 33 90 98 165 167 57 39 38 24 27
16 31 31 33 91 94 176 163 55 38 40 26 27
17 31 30 33 101 90 196 151 54 38 40 27 27
18 30 30 32 91 89 211 136 54 38 33 27 28
19 29 31 33 90 87 219 131 57 37 35 26 29
20 28 32 33 86 88 231 133 60 35 35 27 29
21 28 31 47 86 92 248 134 60 36 35 28 28
22 26 30 68 82 96 276 125 60 36 35 28 28
23 25 31 96 81 95 290 109 61 35 35 28 28
24 25 31 106 79 95 280 106 61 35 36 26 29
25 25 30 105 80 95 269 98 58 35 35 28 29
26 24 29 106 77 94 243 88 57 35 35 28 29
27 24 30 108 69 96 230 84 56 34 36 28 29
28 23 31 137 66 105 230 83 55 34 36 28 29
29 22 22 175 73 116 229 85 53 34 36 29 29
30 21   213 81 123 234 86 52 34 36 28 30
31 26   187   134   91 52   33   29