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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 -> 2020-09-30)

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 90 146 235 85 45 57 26 28
2 28 28 30 174 103 154 239 75 38 61 25 28
3 28 29 31 185 101 149 220 70 36 64 25 28
4 28 31 30 194 102 148 201 64 37 72 25 28
5 29 31 31 167 102 157 183 60 38 84 25 28
6 28 32 31 161 103 157 155 60 37 79 27 28
7 27 30 32 157 104 155 143 60 37 71 27 28
8 28 30 31 154 105 150 142 57 36 71 28 29
9 28 29 32 149 105 148 142 54 34 70 26 29
10 27 30 32 128 108 147 147 56 33 70 23 30
11 28 30 31 114 106 145 163 63 32 54 27 28
12 27 31 30 110 103 148 160 67 31 39 27 25
13 28 32 32 105 103 154 159 63 34 40 28 25
14 28 31 33 89 101 148 162 60 36 40 27 30
15 29 31 33 90 98 145 172 56 36 41 24 27
16 31 31 33 91 93 155 168 53 35 44 26 27
17 31 30 33 101 89 174 156 52 35 44 27 27
18 30 30 32 91 87 193 141 52 36 35 27 28
19 29 31 33 90 86 208 134 55 35 37 26 29
20 28 32 33 86 86 219 136 58 33 37 27 29
21 28 31 47 86 91 229 137 59 34 38 28 28
22 26 30 68 82 95 251 128 59 34 38 28 28
23 25 31 96 81 94 261 111 59 34 38 28 28
24 25 31 106 79 94 255 108 59 33 39 26 29
25 25 30 105 80 94 251 98 56 34 38 28 29
26 24 29 106 77 94 230 88 55 33 38 28 29
27 24 30 108 69 95 218 83 54 33 39 28 29
28 23 31 137 66 104 216 82 52 33 39 28 29
29 22 22 175 73 116 213 85 51 33 39 29 29
30 21   213 81 124 220 86 50 33 39 28 30
31 26   187   136   91 50   36   29