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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 -> 2019-09-30)

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 91 147 238 85 44 57 26 28
2 28 28 30 174 103 155 241 76 37 62 25 28
3 28 29 31 185 101 150 223 70 36 66 25 28
4 28 31 30 194 103 149 203 64 36 74 25 28
5 29 31 31 167 103 158 184 60 37 87 25 28
6 28 32 31 161 103 158 154 61 37 82 27 28
7 27 30 32 157 104 156 141 60 36 73 27 28
8 28 30 31 154 106 151 139 57 35 73 28 29
9 28 29 32 149 105 149 139 54 33 72 26 29
10 27 30 32 128 108 148 146 56 32 72 23 30
11 28 30 31 114 107 146 165 63 31 55 27 28
12 27 31 30 110 103 149 161 66 31 39 27 25
13 28 32 32 105 104 155 153 63 33 41 28 25
14 28 31 33 89 101 150 150 60 36 41 27 30
15 29 31 33 90 98 147 158 55 36 42 24 27
16 31 31 33 91 93 156 154 52 35 45 26 27
17 31 30 33 101 89 175 144 52 35 46 27 27
18 30 30 32 91 87 195 131 51 36 36 27 28
19 29 31 33 90 86 210 129 55 35 38 26 29
20 28 32 33 86 86 221 135 58 33 39 27 29
21 28 31 47 86 91 231 135 58 34 39 28 28
22 26 30 68 82 96 254 127 58 33 40 28 28
23 25 31 96 81 94 264 110 58 33 40 28 28
24 25 31 106 79 94 258 108 58 33 40 26 29
25 25 30 105 80 94 254 99 55 33 40 28 29
26 24 29 106 77 94 233 88 54 33 39 28 29
27 24 30 108 69 95 220 83 53 33 40 28 29
28 23 31 137 66 105 218 82 51 33 40 28 29
29 22 22 175 73 117 215 85 50 33 40 29 29
30 21   213 81 125 222 86 49 33 41 28 30
31 26   187   137   91 49   37   29