Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Colorado

Click to hide state-specific text


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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 2025-09-30)

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
1 109 100 112 134 305 822 349 183 89 164 154 129
2 109 97 113 127 318 819 417 150 94 176 153 127
3 111 110 114 125 406 807 342 139 91 169 150 128
4 111 120 107 129 399 877 286 124 92 168 147 130
5 109 114 103 130 382 981 313 116 106 159 158 126
6 108 110 104 124 376 1,040 364 112 104 151 145 124
7 107 107 110 115 363 1,070 327 118 98 150 145 123
8 107 105 126 110 436 1,120 318 139 110 147 144 123
9 110 106 121 105 688 1,120 342 120 126 153 140 124
10 112 105 114 109 611 1,060 302 112 128 170 141 120
11 108 106 110 115 670 1,020 250 109 136 155 146 121
12 108 107 107 118 699 1,130 216 104 121 147 144 121
13 103 110 119 123 560 1,160 191 100 106 148 138 120
14 99 114 154 130 513 1,070 168 109 103 147 138 119
15 97 109 146 135 490 942 175 109 123 147 137 121
16 98 107 141 168 459 866 174 127 102 145 137 120
17 102 106 142 237 415 899 154 135 98 142 145 119
18 103 105 140 214 558 935 133 105 95 145 139 119
19 104 106 160 185 750 932 124 118 331 145 136 119
20 101 105 156 200 732 894 128 119 282 152 134 114
21 102 104 138 195 725 832 149 113 258 173 133 113
22 100 111 140 226 706 840 166 107 256 180 129 111
23 101 114 154 234 725 742 138 100 290 182 131 110
24 100 116 150 242 723 629 139 98 258 171 130 113
25 100 118 160 244 777 530 126 99 213 171 132 112
26 99 117 155 267 793 513 143 110 192 171 130 112
27 99 116 144 368 770 475 144 106 174 164 129 111
28 99 112 143 400 742 438 131 108 184 170 129 114
29 100 118 150 340 715 405 114 100 170 170 133 115
30 101   143 316 722 353 140 99 170 166 133 111
31 101   134   789   205 94   159   110