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USGS 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 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 water year of record in, ft3/s   (Calculation Period 1926-10-01 -> 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 52 53 51 54 177 197 117 28 11 30 45 50
2 51 53 51 53 174 185 107 22 13 33 45 51
3 52 52 49 57 172 182 97 34 46 32 45 51
4 51 50 50 58 171 184 84 35 36 32 44 50
5 50 50 52 59 160 203 74 41 28 33 46 49
6 51 50 56 57 156 188 66 40 22 36 45 49
7 51 49 53 55 153 208 58 32 18 37 44 48
8 52 49 54 54 160 209 66 26 19 37 45 48
9 53 50 55 55 181 239 72 24 20 38 45 51
10 52 49 53 58 177 231 74 26 22 44 46 51
11 50 49 52 61 181 217 69 24 23 42 46 52
12 51 49 51 64 176 248 65 22 81 38 46 51
13 52 50 53 68 166 256 60 20 156 38 45 51
14 52 51 54 72 155 239 55 17 97 41 46 51
15 52 50 52 70 149 228 48 18 82 45 48 50
16 50 50 52 74 151 221 38 21 67 43 47 51
17 51 50 51 87 179 219 41 24 52 43 48 51
18 51 50 52 92 197 251 34 19 48 44 49 51
19 51 51 55 94 225 252 31 19 43 41 50 51
20 51 51 55 102 205 244 31 17 36 38 48 50
21 51 52 53 101 190 226 32 16 32 40 48 50
22 51 52 53 112 190 240 31 13 31 43 49 50
23 51 53 54 129 198 231 31 11 34 43 48 50
24 51 54 58 156 211 197 36 14 33 43 48 50
25 50 54 58 163 203 174 25 13 30 42 48 50
26 51 54 56 153 193 177 25 11 27 43 49 49
27 50 53 55 146 183 174 22 10 25 42 48 49
28 51 52 55 140 187 157 23 9.9 30 42 49 50
29 51 54 57 142 197 144 29 9.7 27 41 49 51
30 52   56 158 210 131 30 11 28 39 49 51
31 53   57   209   37 12   41   51