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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 09166500 DOLORES RIVER AT DOLORES, CO.


Montezuma County, Colorado
Hydrologic Unit Code 14030002
Latitude  37°28'21", Longitude 108°29'49" NAD27
Drainage area 504  square miles
Gage datum 6,940 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 1895-10-01 -> 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 51 52 70 267 1,240 1,730 652 278 199 136 100 64
2 51 52 71 282 1,320 1,730 617 269 187 132 96 63
3 51 52 72 295 1,390 1,690 575 267 177 143 94 62
4 51 52 73 308 1,470 1,670 536 259 173 144 92 60
5 51 52 74 328 1,510 1,660 503 255 173 138 91 60
6 50 53 76 347 1,520 1,660 477 259 193 141 89 60
7 50 53 77 384 1,530 1,660 461 257 188 149 88 63
8 51 53 80 424 1,550 1,630 447 248 184 141 87 61
9 51 53 85 465 1,570 1,590 432 234 187 135 86 60
10 52 53 90 484 1,560 1,540 419 232 207 131 84 58
11 51 53 100 508 1,580 1,480 395 241 189 128 83 56
12 51 53 103 555 1,600 1,440 378 237 192 129 83 56
13 51 54 107 596 1,630 1,410 366 230 213 144 82 56
14 50 55 112 648 1,680 1,390 351 223 195 150 81 55
15 50 55 117 707 1,730 1,340 344 222 186 137 80 55
16 50 55 123 747 1,770 1,270 334 216 181 137 78 55
17 50 55 131 795 1,770 1,210 322 215 165 137 79 55
18 49 56 137 852 1,800 1,190 314 209 162 132 77 55
19 49 56 143 891 1,820 1,140 311 206 199 133 78 54
20 50 57 150 906 1,830 1,100 307 205 181 135 75 55
21 50 57 157 969 1,860 1,070 294 202 172 132 74 54
22 50 58 170 1,040 1,870 1,020 290 202 177 129 73 54
23 50 59 179 1,070 1,830 961 284 198 183 123 73 53
24 50 60 187 1,090 1,830 917 287 211 170 119 73 53
25 50 61 195 1,100 1,810 867 297 218 160 120 73 53
26 50 62 204 1,110 1,810 832 302 213 146 118 71 53
27 51 62 207 1,120 1,810 800 300 211 140 115 69 53
28 51 63 212 1,120 1,810 779 284 205 135 113 67 54
29 50 65 216 1,180 1,830 754 290 195 140 112 67 54
30 50   225 1,210 1,800 696 285 194 146 109 67 54
31 50   235   1,770   282 204   105   53