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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 09171100 DOLORES RIVER NEAR BEDROCK, CO.


Montrose County, Colorado
Hydrologic Unit Code 14030002
Latitude  38°21'25", Longitude 108°49'58" NAD27
Drainage area 2,147  square miles
Gage datum 4,910 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 1984-10-01 -> 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 49 55 78 256 754 645 201 100 86 56 62 57
2 48 56 80 276 775 605 194 99 71 76 69 60
3 48 57 83 339 797 576 189 106 70 120 66 58
4 49 58 83 366 866 586 154 93 66 119 60 57
5 50 59 81 421 925 578 138 108 68 78 62 56
6 51 58 83 451 949 560 126 87 79 86 80 56
7 51 58 85 461 923 566 122 106 66 105 70 56
8 52 59 94 486 895 589 125 90 69 71 65 57
9 52 60 104 530 861 621 124 81 90 67 62 57
10 52 59 106 562 794 580 124 78 139 57 66 56
11 53 61 109 607 735 564 116 75 122 86 62 54
12 63 61 128 629 718 574 107 75 94 83 57 51
13 59 62 142 626 709 557 108 80 100 63 55 50
14 53 71 145 606 757 533 101 82 106 65 54 51
15 52 75 163 613 742 534 91 82 114 60 53 50
16 52 72 165 624 786 531 85 77 102 62 56 50
17 54 67 170 680 828 523 79 93 93 61 56 50
18 54 67 178 745 843 513 78 73 87 65 55 50
19 61 67 185 732 883 496 84 84 73 65 56 50
20 60 72 203 698 924 454 80 100 65 63 61 50
21 60 76 211 624 968 441 93 88 73 64 68 50
22 60 74 220 603 978 452 88 82 82 65 63 50
23 59 72 231 639 1,020 423 83 73 114 69 64 50
24 61 71 235 674 1,000 371 88 101 80 62 69 49
25 62 72 243 726 983 305 98 107 59 64 69 48
26 62 73 246 722 974 274 103 96 58 64 66 48
27 63 72 247 704 903 244 97 109 49 68 57 47
28 63 76 268 709 858 252 88 97 49 69 56 49
29 64 86 268 712 803 222 99 89 53 69 55 52
30 62   256 729 740 206 104 85 60 71 55 68
31 56   248   684   85 70   63   57