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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 water year of record in, ft3/s   (Calculation Period 1926-10-01 -> 2024-09-30)

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 52 51 54 174 203 119 30 11 30 45 50
2 50 53 51 53 172 191 113 23 13 32 45 50
3 51 52 50 57 175 187 100 34 45 31 45 51
4 50 51 50 58 174 193 86 34 35 31 44 50
5 50 51 52 58 160 214 78 40 28 32 46 49
6 51 50 55 56 155 202 70 38 21 36 45 49
7 50 50 53 54 151 224 62 31 18 36 44 48
8 51 49 54 53 156 227 67 26 18 36 45 48
9 52 50 54 54 176 255 72 23 20 37 45 50
10 51 49 53 57 173 243 73 25 23 43 46 50
11 50 49 52 60 182 226 67 24 24 41 46 52
12 50 49 51 63 185 260 63 22 79 37 46 50
13 51 50 53 66 166 270 59 19 151 37 45 50
14 51 51 56 71 153 249 53 17 94 40 46 50
15 51 50 54 69 151 235 46 18 81 44 48 49
16 50 50 55 73 151 229 38 23 65 42 47 50
17 50 50 55 86 175 230 40 27 50 43 48 50
18 50 50 56 91 195 257 34 19 47 43 49 50
19 51 51 58 93 221 257 31 19 42 40 49 50
20 50 51 58 101 204 249 31 18 36 37 48 49
21 51 51 55 100 192 231 32 17 32 40 48 49
22 51 52 55 110 190 244 32 13 30 42 48 49
23 51 52 56 126 199 234 31 11 33 43 48 49
24 51 54 59 151 209 200 36 14 33 42 48 49
25 50 54 60 157 200 177 26 13 29 41 48 49
26 50 54 57 150 191 183 25 11 26 42 49 48
27 50 53 55 149 183 179 22 10 25 41 48 49
28 51 52 56 148 186 161 25 11 29 42 49 49
29 51 54 58 144 197 147 29 10 27 41 49 51
30 51   56 157 211 133 29 12 28 39 49 51
31 53   58   214   39 12   41   51