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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 09034250 COLORADO RIVER AT WINDY GAP, NEAR GRANBY, CO.


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  40°06'30", Longitude 106°00'13" NAD27
Drainage area 788  square miles
Gage datum 7,790.48 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 1981-10-01 -> 2024-09-30)

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 78 78 81 180 370 893 817 269 145 121 112 88
2 78 78 80 190 384 927 800 252 130 122 109 88
3 78 78 81 195 397 905 746 237 127 121 103 86
4 78 77 81 198 426 900 684 226 127 120 106 84
5 78 79 82 201 449 925 634 215 126 124 106 83
6 78 78 82 206 461 937 594 214 126 129 104 83
7 78 78 83 221 478 959 568 208 125 126 102 82
8 79 79 84 243 507 943 574 198 125 118 104 82
9 79 79 85 261 533 930 561 186 123 115 103 82
10 79 79 85 262 559 898 567 185 124 114 102 81
11 79 79 86 253 592 888 575 193 121 110 104 80
12 78 79 88 257 579 881 559 193 122 106 104 80
13 79 79 91 268 554 894 541 187 122 109 104 80
14 79 79 94 272 555 907 515 181 131 107 106 80
15 78 79 94 272 571 895 492 176 131 108 101 81
16 79 79 99 266 601 905 473 170 128 105 97 80
17 79 79 102 286 622 925 458 171 124 103 102 80
18 79 78 105 295 639 964 429 170 122 103 100 80
19 78 79 107 295 654 974 421 170 120 104 99 80
20 79 79 114 292 694 1,010 413 173 115 103 99 79
21 78 79 120 307 677 1,020 407 173 115 103 99 81
22 78 80 128 312 690 1,050 393 168 117 106 95 79
23 78 79 137 318 717 1,070 370 167 120 107 97 80
24 78 79 144 342 721 991 358 166 116 106 91 80
25 78 80 143 350 754 955 341 162 116 108 93 79
26 78 79 150 345 719 892 316 157 116 108 93 78
27 78 80 155 343 718 840 292 154 117 106 91 79
28 78 80 160 338 743 817 282 152 122 106 89 78
29 78 80 166 346 807 797 283 148 123 106 91 79
30 78   167 352 848 770 281 144 124 103 89 78
31 77   172   876   276 144   110   78