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USGS Daily Statistics for Colorado

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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 -> 2024-09-30)

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 70 269 1,250 1,740 655 280 200 136 100 64
2 51 52 71 284 1,320 1,730 619 271 188 133 97 63
3 51 52 72 297 1,400 1,690 577 268 177 144 94 62
4 51 52 73 310 1,480 1,680 538 261 173 145 92 60
5 51 52 74 329 1,520 1,660 505 257 173 139 91 60
6 50 53 76 349 1,520 1,670 480 261 194 142 90 60
7 50 53 77 387 1,540 1,670 464 259 189 150 88 63
8 51 53 80 427 1,560 1,640 450 249 185 142 87 61
9 51 53 85 468 1,580 1,590 435 235 188 136 86 60
10 52 53 90 487 1,570 1,540 422 232 209 132 85 58
11 51 53 100 512 1,590 1,490 398 241 190 129 83 56
12 51 53 103 559 1,610 1,450 380 238 193 130 83 56
13 51 54 107 599 1,640 1,420 368 231 214 145 83 56
14 50 55 112 651 1,690 1,400 353 223 196 151 81 55
15 50 55 117 710 1,740 1,350 346 223 188 138 81 55
16 50 55 123 751 1,780 1,280 337 216 182 138 78 55
17 50 55 131 800 1,780 1,220 324 216 166 138 79 55
18 49 56 137 856 1,800 1,190 316 209 163 132 77 55
19 49 56 143 894 1,830 1,150 312 207 200 133 78 54
20 50 57 150 909 1,830 1,110 309 206 182 135 75 55
21 50 57 157 973 1,860 1,070 296 203 173 132 74 54
22 50 58 170 1,040 1,880 1,020 291 202 178 129 73 54
23 50 59 179 1,070 1,840 965 286 199 184 123 73 53
24 50 60 187 1,090 1,840 922 289 211 171 120 73 53
25 50 61 196 1,100 1,820 872 299 218 161 120 73 53
26 50 62 205 1,110 1,820 837 304 212 146 118 71 53
27 51 62 209 1,120 1,810 804 302 211 141 115 69 53
28 51 63 213 1,130 1,820 781 286 205 136 113 67 54
29 50 65 218 1,180 1,830 758 292 195 140 112 67 54
30 50   227 1,210 1,800 699 287 195 147 109 67 54
31 50   237   1,770   284 205   105   53