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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 -> 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 53 51 54 172 202 119 30 11 30 45 50
2 51 53 51 52 170 189 113 23 13 32 45 51
3 52 52 50 57 174 185 100 34 45 31 45 51
4 51 50 50 58 173 191 86 34 35 31 44 50
5 50 50 52 58 160 211 79 40 28 32 46 49
6 51 50 55 56 155 197 71 38 21 36 45 49
7 50 49 53 55 152 216 62 31 18 36 44 48
8 52 49 54 53 157 218 68 26 18 36 46 48
9 52 49 54 54 178 246 73 23 20 37 45 50
10 51 48 52 57 175 238 74 25 23 43 46 50
11 50 48 52 60 184 224 68 24 24 41 46 52
12 50 49 51 63 186 256 64 22 79 37 46 50
13 51 50 53 66 167 266 59 19 151 37 45 50
14 52 50 54 71 155 246 54 17 94 40 46 50
15 51 50 52 69 153 233 47 18 81 44 48 49
16 50 50 53 73 152 227 38 23 65 42 47 50
17 50 50 54 86 177 229 40 27 50 43 48 50
18 50 50 54 90 198 256 34 19 47 43 49 50
19 51 51 56 92 223 257 31 19 42 40 49 50
20 50 51 56 100 205 248 31 18 36 37 48 49
21 51 51 54 99 192 230 32 17 32 40 48 49
22 51 52 54 109 190 243 32 13 30 42 48 50
23 51 52 55 125 200 233 31 11 33 43 48 49
24 51 53 58 151 210 199 36 14 33 42 48 50
25 50 54 58 157 201 177 26 13 29 41 48 49
26 50 54 56 150 192 183 25 11 26 42 49 49
27 50 53 55 142 184 178 22 10 25 41 48 49
28 51 52 55 139 187 161 25 11 29 42 49 50
29 51 54 57 139 198 146 29 10 27 41 49 51
30 52   56 153 212 133 29 12 28 39 49 52
31 53   57   214   39 12   41   51