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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 7,790.00 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 1981-10-01 -> 2022-09-30)

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 79 81 183 367 913 801 274 144 123 112 89
2 78 78 81 193 376 948 787 255 129 123 109 89
3 78 79 81 198 380 926 735 240 125 122 103 86
4 78 78 81 201 400 922 681 229 125 122 106 84
5 78 79 82 204 423 948 633 218 125 126 106 83
6 79 79 82 210 442 962 596 217 124 131 105 83
7 79 78 83 225 463 978 571 210 123 128 102 82
8 79 79 84 247 497 945 576 199 124 119 104 82
9 80 79 85 265 517 932 563 187 121 117 103 82
10 79 79 85 266 538 898 569 186 123 116 102 81
11 79 79 86 255 558 885 578 194 120 111 104 80
12 79 79 88 258 540 877 563 194 121 106 104 80
13 79 79 91 267 528 889 544 188 120 109 104 80
14 79 80 94 271 539 890 520 181 130 107 106 81
15 79 79 95 273 557 879 501 176 129 109 101 81
16 79 79 99 268 586 885 484 168 127 106 97 80
17 79 79 102 288 609 902 470 168 123 104 102 80
18 79 78 106 295 628 947 442 168 122 104 100 80
19 79 79 108 294 641 966 432 169 120 105 100 80
20 79 79 115 293 678 999 421 173 115 104 100 79
21 79 79 121 309 672 995 415 173 115 104 99 81
22 78 81 130 315 688 1,020 403 167 116 106 95 79
23 78 79 138 321 716 1,030 379 165 119 107 97 80
24 78 79 146 345 719 952 367 164 116 106 91 80
25 78 80 145 351 758 922 348 160 116 109 93 79
26 79 79 152 346 720 866 322 153 116 109 94 78
27 79 80 158 343 722 829 298 151 117 106 92 79
28 78 80 162 336 750 807 287 150 123 107 90 78
29 78 80 168 345 819 786 287 147 124 106 91 79
30 79   170 351 863 752 286 143 125 104 89 78
31 78   175   894   282 142   110   79