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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 06730525 ST VRAIN CR BLW BOULDER CR AT HWY 119 NR LONGMONT


Weld County, Colorado
Hydrologic Unit Code 10190005
Latitude  40°09'37.68", Longitude 105°00'28.57" NAD83
Drainage area 872  square miles
Gage datum 4,849 feet above NAVD88
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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 2012-10-01 -> 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
1 119 110 117 128 285 943 322 167 99 197 172 149
2 119 107 116 118 291 958 390 130 109 216 169 148
3 120 106 115 123 359 946 334 126 101 208 163 152
4 123 107 109 128 355 988 277 120 99 209 157 156
5 123 106 110 132 376 1,070 297 117 118 198 173 148
6 122 108 112 121 405 1,110 367 117 118 187 158 143
7 123 108 120 111 412 1,060 322 122 115 185 158 143
8 123 109 140 105 551 1,080 334 137 136 179 157 143
9 127 112 135 106 951 1,090 392 120 161 190 155 143
10 127 113 125 114 804 1,060 343 114 145 214 157 138
11 118 117 117 121 817 1,040 278 116 129 191 165 137
12 123 118 112 126 745 1,170 247 111 128 178 162 137
13 115 120 131 131 673 1,170 221 104 116 172 154 137
14 111 126 131 136 628 1,120 196 110 114 173 153 137
15 110 119 114 140 539 977 209 112 107 173 154 138
16 106 116 110 194 503 839 210 110 102 172 153 138
17 107 114 106 304 469 823 179 107 100 167 177 137
18 109 110 111 266 637 934 153 105 97 165 169 136
19 111 112 150 215 939 1,010 142 134 454 160 163 136
20 108 113 145 219 905 981 129 111 381 160 160 130
21 108 112 121 224 847 895 133 104 344 179 159 130
22 105 117 119 276 853 886 165 105 313 186 154 129
23 106 120 149 294 873 756 145 104 371 189 155 129
24 105 124 151 309 883 630 143 106 339 176 153 127
25 106 125 153 311 1,000 517 122 101 274 178 154 124
26 103 124 156 313 1,020 452 152 94 246 181 152 125
27 103 125 144 343 987 409 145 99 223 175 150 121
28 104 117 150 322 944 365 119 101 237 178 150 125
29 105 118 163 298 879 345 110 101 215 176 153 124
30 110   154 296 836 311 160 110 210 171 153 123
31 111   137   885   222 101   171   121