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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 -> 2022-09-30)

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 54 176 201 118 30 10 30 45 50
2 51 53 51 52 174 189 112 22 13 33 45 51
3 52 52 49 57 178 185 99 34 45 32 45 51
4 51 50 50 58 176 188 86 35 35 32 44 50
5 50 50 52 59 162 207 75 41 28 33 46 49
6 51 49 56 56 158 192 66 39 22 36 45 49
7 51 49 53 55 154 212 59 32 18 37 44 48
8 52 49 54 54 161 213 65 26 18 36 45 48
9 53 50 55 54 182 242 71 23 20 38 45 50
10 52 49 53 58 178 234 73 26 22 43 46 50
11 50 49 52 60 184 219 68 24 22 42 46 52
12 51 49 51 64 178 249 64 22 80 38 46 50
13 52 50 53 67 168 258 59 19 154 38 45 50
14 52 50 55 72 156 240 54 17 96 41 46 51
15 52 50 52 70 150 229 47 18 81 45 48 50
16 50 50 52 74 152 221 38 20 66 43 47 50
17 51 50 52 87 179 219 40 24 51 43 48 51
18 51 50 53 91 201 250 34 18 47 44 49 50
19 51 51 56 94 226 252 31 19 42 41 49 51
20 51 51 56 101 206 244 31 18 36 38 48 50
21 51 52 54 101 190 226 32 16 32 40 48 50
22 51 52 54 111 190 238 31 13 30 43 49 50
23 51 53 55 128 200 229 31 11 33 43 48 50
24 51 54 58 155 212 194 36 14 33 43 48 50
25 50 54 59 161 202 173 25 13 29 42 48 50
26 51 54 56 151 192 180 25 10 26 43 49 49
27 50 53 55 144 183 177 21 10 25 42 48 49
28 51 52 55 142 187 160 22 9.8 30 42 49 50
29 51 54 57 142 199 145 28 9.6 27 41 49 51
30 52   56 157 214 132 30 11 28 39 49 51
31 53   57   216   40 12   41   51