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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 54 77 251 737 630 196 100 86 56 62 56
2 48 56 79 269 756 591 194 99 71 76 69 59
3 48 56 82 331 778 563 189 106 70 120 66 57
4 48 58 82 357 846 572 154 93 66 119 60 56
5 50 59 81 411 903 565 138 108 68 78 62 55
6 50 58 82 440 927 548 126 87 79 86 80 56
7 50 57 85 450 901 554 122 106 66 105 70 56
8 51 58 93 475 874 576 125 90 69 71 65 57
9 52 59 102 518 841 607 124 81 90 67 62 57
10 51 59 104 549 775 566 124 78 139 57 66 55
11 53 60 107 593 717 551 116 75 122 86 62 54
12 62 60 125 614 701 560 107 75 94 83 57 50
13 59 61 139 611 692 544 108 80 100 63 54 50
14 53 70 142 591 739 520 101 82 106 65 53 51
15 51 74 160 599 724 522 91 82 114 60 53 49
16 52 71 162 609 767 519 85 77 102 62 56 50
17 53 66 167 663 808 511 79 93 93 61 56 50
18 54 66 175 727 823 501 78 73 87 65 54 50
19 60 67 181 715 863 484 84 84 73 65 55 50
20 60 72 199 681 903 443 80 100 65 63 60 50
21 60 75 207 610 945 431 93 88 73 64 67 49
22 59 73 215 589 954 441 88 82 82 65 62 49
23 58 71 226 624 992 413 83 73 114 69 63 49
24 60 70 229 658 980 363 88 101 80 62 68 48
25 61 71 237 708 959 298 98 107 59 64 68 48
26 62 72 240 705 951 267 103 96 58 64 65 47
27 62 72 241 688 882 238 97 109 49 68 57 47
28 62 75 262 692 838 246 88 97 49 69 56 49
29 63 86 262 695 784 217 99 89 53 69 55 52
30 62   250 712 722 201 104 85 60 71 55 67
31 55   243   668   85 70   63   57