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USGS Daily Statistics for the Nation

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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 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 -> 2026-09-30)

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
1 108 99 110 130 291 791 330 173 88 158 151 129
2 107 97 111 124 300 791 392 144 91 169 150 128
3 110 110 112 122 381 802 321 134 87 162 146 128
4 110 118 106 126 374 868 269 119 88 161 147 130
5 108 112 102 126 360 945 294 111 101 152 153 126
6 105 108 102 121 361 1,000 340 107 99 150 141 123
7 103 105 108 112 370 1,020 305 112 94 146 143 123
8 101 103 123 106 425 1,060 296 132 104 143 143 122
9 105 103 118 102 641 1,070 319 115 118 148 150 123
10 106 102 111 105 569 1,010 280 110 121 163 147 119
11 103 101 107 111 624 974 234 113 129 149 146 120
12 103 102 104 114 660 1,080 210 103 116 142 140 120
13 98 105 115 119 535 1,130 182 98 105 143 133 119
14 95 110 148 124 494 1,070 160 105 105 142 132 118
15 95 106 140 128 480 940 166 106 123 143 132 119
16 96 103 135 158 435 856 165 124 103 141 132 119
17 100 103 135 221 391 879 172 131 103 138 139 118
18 100 102 133 202 522 909 136 103 100 135 135 117
19 100 102 151 179 699 890 126 114 314 134 132 118
20 99 102 147 190 679 851 125 114 267 141 131 114
21 100 102 131 184 669 790 144 109 246 159 130 113
22 100 109 132 212 651 791 159 103 243 168 127 111
23 102 113 145 219 670 695 134 98 291 174 129 109
24 99 115 142 225 670 592 134 97 275 165 129 112
25 99 116 152 228 728 507 122 97 207 166 130 111
26 98 115 147 253 762 499 138 107 185 167 128 113
27 98 114 136 345 733 450 139 108 168 161 130 111
28 98 111 136 375 700 414 125 107 176 167 130 113
29 99 118 155 320 693 381 109 99 163 164 132 115
30 100   183 300 690 335 134 98 164 156 132 111
31 100   135   759   194 95   150   110