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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 09050700 BLUE RIVER BELOW DILLON, CO.


Summit County, Colorado
Hydrologic Unit Code 14010002
Latitude  39°37'32", Longitude 106°03'57" NAD27
Drainage area 334  square miles
Gage datum 8,760.00 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 1962-10-01 -> 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 86 81 83 106 168 550 621 267 179 123 99 93
2 84 81 83 105 170 559 601 265 177 120 99 91
3 81 80 83 104 174 572 579 257 174 118 98 90
4 80 79 83 104 182 588 560 253 165 116 97 89
5 78 79 84 106 194 609 546 255 159 117 98 88
6 78 79 83 107 206 639 535 255 152 116 99 87
7 78 80 83 108 217 685 517 249 149 116 98 86
8 77 79 82 108 231 714 500 245 144 116 98 86
9 76 79 82 110 247 724 491 239 142 113 98 86
10 75 79 82 112 257 730 489 234 140 113 101 83
11 74 80 82 115 260 726 481 234 137 115 101 82
12 74 80 82 118 269 722 460 230 134 116 100 82
13 75 80 83 124 262 721 437 224 135 119 99 79
14 75 80 83 128 262 734 413 218 135 119 98 79
15 75 81 85 131 269 733 393 207 137 116 98 79
16 75 81 86 133 284 726 378 197 138 114 96 79
17 78 81 86 133 304 713 367 193 132 116 99 82
18 80 82 86 132 325 707 356 194 126 115 99 81
19 80 82 87 135 346 709 344 194 126 114 100 80
20 80 83 88 136 363 708 332 195 130 114 99 79
21 80 83 90 139 375 710 323 194 134 113 101 80
22 79 83 91 139 392 712 315 189 135 110 103 80
23 79 83 92 138 407 710 308 183 134 109 103 81
24 78 83 93 142 415 702 300 184 134 110 103 83
25 77 82 94 145 414 691 286 189 129 107 102 85
26 76 82 95 150 425 677 275 190 128 103 100 85
27 78 82 97 155 434 657 265 191 127 104 97 86
28 78 82 99 154 461 649 260 191 129 105 95 85
29 78 85 99 160 490 646 260 189 133 105 95 83
30 79   101 167 523 634 259 187 127 101 94 83
31 81   104   539   262 182   99   85