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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 -> 2021-09-30)

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 90 145 233 84 45 56 26 28
2 28 28 30 174 102 152 236 75 38 60 25 28
3 28 29 31 185 100 147 218 70 37 63 25 28
4 28 31 30 194 102 147 199 64 37 69 25 28
5 29 31 31 167 102 156 182 60 38 79 25 28
6 28 32 31 161 102 156 154 61 38 75 27 28
7 27 30 32 157 103 154 142 60 38 68 27 28
8 28 30 31 154 105 148 141 58 36 67 28 29
9 28 29 32 149 105 147 141 54 34 66 26 29
10 27 30 32 128 107 146 146 57 33 66 23 30
11 28 30 31 114 106 144 162 63 33 51 27 28
12 27 31 30 110 102 147 159 67 32 38 27 25
13 28 32 32 105 103 153 158 63 34 39 28 25
14 28 31 33 89 100 147 161 60 37 39 27 30
15 29 31 33 90 98 144 171 56 37 39 24 27
16 31 31 33 91 93 154 167 53 36 41 26 27
17 31 30 33 101 89 172 155 52 36 42 27 27
18 30 30 32 91 87 191 140 52 36 34 27 28
19 29 31 33 90 86 206 134 55 35 36 26 29
20 28 32 33 86 86 217 136 59 33 36 27 29
21 28 31 47 86 91 226 137 59 34 36 28 28
22 26 30 68 82 95 249 128 59 34 37 28 28
23 25 31 96 81 94 258 111 59 34 36 28 28
24 25 31 106 79 93 252 108 59 34 37 26 29
25 25 30 105 80 94 248 99 57 34 37 28 29
26 24 29 106 77 93 228 88 56 33 36 28 29
27 24 30 108 69 95 216 83 54 33 37 28 29
28 23 31 137 66 104 214 82 53 33 37 28 29
29 22 22 175 73 115 211 85 51 33 37 29 29
30 21   213 81 123 218 86 50 33 37 28 30
31 26   187   135   92 51   34   29