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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 06730500 BOULDER CREEK AT MOUTH NEAR LONGMONT, CO


Weld County, Colorado
Hydrologic Unit Code 10190005
Latitude  40°08'19.6", Longitude 105°01'12.8" NAD83
Drainage area 447  square miles
Gage datum 4,860 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 64 - 66 years of record in, ft3/s   (Calculation Period 1926-10-01 -> 2017-09-30)

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 52 53 51 54 180 198 115 29 10 31 44 50
2 50 53 50 52 176 183 103 22 12 30 43 51
3 51 52 49 57 169 180 94 36 48 30 44 51
4 51 50 50 59 169 185 82 37 37 33 43 49
5 50 50 52 60 161 204 71 43 28 34 45 49
6 51 49 56 57 158 186 59 41 22 38 44 48
7 50 49 53 55 155 208 54 33 18 38 43 47
8 52 49 54 54 162 208 62 25 17 37 44 48
9 52 49 54 55 183 238 70 24 17 37 44 50
10 51 49 52 59 179 232 72 27 21 43 45 50
11 50 49 52 61 183 219 67 25 23 42 45 52
12 50 49 51 64 175 253 64 23 85 38 45 50
13 52 50 52 67 163 264 60 20 165 38 44 50
14 52 50 52 72 150 245 54 18 102 41 44 50
15 52 50 51 70 147 233 47 19 86 45 47 49
16 50 50 51 73 152 225 37 21 70 44 46 50
17 51 50 51 86 182 223 40 25 54 44 47 51
18 51 50 52 92 200 249 34 19 50 45 48 50
19 51 51 52 94 223 245 31 19 45 42 49 51
20 51 51 52 102 204 238 32 18 38 38 48 50
21 51 52 51 101 185 223 32 17 33 40 48 50
22 51 52 51 113 188 236 29 13 32 43 49 50
23 51 52 53 130 188 229 31 12 35 43 48 49
24 51 53 58 159 211 197 35 14 33 43 48 49
25 50 54 58 166 201 175 25 13 31 41 48 49
26 51 53 56 156 194 179 24 11 28 43 49 48
27 50 52 54 149 185 176 22 10 26 42 48 49
28 51 52 54 143 189 159 23 10 30 42 49 49
29 51 53 56 145 199 145 30 9.7 28 41 48 50
30 52   55 161 214 132 31 12 29 39 49 51
31 53   57   211   38 12   41   51