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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 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 -> 2023-09-30)

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 90 142 241 84 46 55 26 28
2 28 28 30 174 101 149 244 75 40 58 25 28
3 28 29 31 185 100 144 223 70 39 60 25 28
4 28 31 30 194 101 143 201 65 39 67 25 28
5 29 31 31 167 101 152 181 61 40 75 25 28
6 28 32 31 161 102 152 152 61 39 71 27 28
7 27 30 32 157 102 150 141 61 39 64 27 28
8 28 30 31 154 104 145 142 58 38 64 28 29
9 28 29 32 149 104 143 142 55 36 63 26 29
10 27 30 32 128 106 142 148 58 35 63 23 30
11 28 30 31 114 105 141 163 64 35 49 27 28
12 27 31 30 110 101 144 160 67 34 37 27 25
13 28 32 32 105 102 155 159 64 36 37 28 25
14 28 31 33 89 99 151 161 61 38 38 27 30
15 29 31 33 90 97 149 168 57 38 38 24 27
16 31 31 33 91 92 161 164 55 38 40 26 27
17 31 30 33 101 88 182 152 54 37 40 27 27
18 30 30 32 91 86 198 137 54 38 33 27 28
19 29 31 33 90 85 210 132 57 37 35 26 29
20 28 32 33 86 85 227 134 60 34 35 27 29
21 28 31 47 86 90 243 135 60 35 35 28 28
22 26 30 68 82 94 268 126 60 35 35 28 28
23 25 31 96 81 93 281 110 60 35 35 28 28
24 25 31 106 79 93 274 107 60 35 36 26 29
25 25 30 105 80 93 266 98 58 35 35 28 29
26 24 29 106 77 93 240 88 57 34 35 28 29
27 24 30 108 69 94 220 83 56 34 36 28 29
28 23 31 137 66 103 217 82 54 34 36 28 29
29 22 22 175 73 114 217 85 53 33 36 29 29
30 21   213 81 121 226 86 52 33 36 28 30
31 26   187   132   91 52   33   29