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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 -> 2023-09-30)

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 54 174 202 116 29 11 30 45 50
2 50 53 51 52 172 188 111 22 13 33 44 50
3 51 52 49 56 176 184 98 34 45 32 45 51
4 51 50 50 57 175 187 85 35 35 32 44 50
5 50 50 52 58 161 206 74 40 28 33 46 49
6 51 49 55 56 156 192 66 39 22 36 44 49
7 50 49 53 55 152 213 59 31 18 37 44 48
8 52 49 54 53 158 213 65 26 18 36 45 48
9 52 49 54 54 180 241 71 23 20 38 45 50
10 51 48 53 58 176 234 72 25 23 43 46 50
11 50 48 52 60 181 219 67 24 23 42 46 52
12 50 49 51 63 176 250 63 22 80 38 46 50
13 51 50 53 67 166 258 59 19 152 38 45 50
14 51 50 54 71 154 240 53 17 95 41 46 50
15 51 50 52 69 148 228 47 18 80 45 48 49
16 50 50 52 74 150 220 38 23 65 43 47 50
17 50 50 53 86 178 219 40 27 50 43 48 50
18 50 50 54 91 199 250 34 19 47 44 49 50
19 51 51 56 93 224 252 31 19 42 41 49 50
20 50 51 56 101 206 243 31 18 36 38 48 49
21 51 51 54 100 193 224 31 17 32 40 48 49
22 51 52 54 110 191 236 31 13 30 42 48 50
23 51 52 55 126 199 226 31 12 33 43 48 50
24 51 53 58 153 209 192 36 14 33 42 48 50
25 50 54 58 159 200 171 26 13 29 42 48 49
26 50 53 56 150 190 178 26 11 26 43 49 49
27 50 53 55 143 181 175 23 10 25 42 48 49
28 51 51 55 140 185 158 25 10 29 42 49 50
29 51 54 57 140 197 144 29 9.7 27 41 49 51
30 52   56 155 212 130 30 11 28 39 49 51
31 53   57   214   40 12   41   51