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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 09349800 PIEDRA RIVER NEAR ARBOLES, CO.


Archuleta County, Colorado
Hydrologic Unit Code 14080102
Latitude  37°05'18", Longitude 107°23'50" NAD27
Drainage area 653  square miles
Gage datum 6,147.52 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 75 73 133 523 1,100 1,160 511 198 185 191 145 96
2 74 73 142 554 1,110 1,160 484 202 170 177 143 95
3 73 74 146 544 1,110 1,150 446 214 166 176 142 93
4 73 74 153 569 1,120 1,150 414 209 153 173 136 91
5 75 74 158 598 1,150 1,150 382 221 151 181 132 90
6 75 74 184 637 1,140 1,170 370 233 231 178 130 91
7 73 75 169 668 1,130 1,160 356 234 186 194 126 106
8 73 77 173 690 1,130 1,150 347 230 166 194 124 99
9 74 78 180 709 1,120 1,110 341 208 163 182 124 90
10 74 79 193 721 1,110 1,060 327 200 176 179 120 86
11 76 81 226 733 1,110 1,020 307 204 191 182 119 83
12 74 88 269 765 1,110 981 291 195 192 186 125 83
13 73 88 270 791 1,120 970 273 187 207 175 118 83
14 72 93 283 806 1,160 965 252 180 241 168 115 82
15 73 92 296 844 1,200 949 244 190 231 171 114 80
16 72 93 309 858 1,250 920 235 194 218 170 112 79
17 72 92 324 903 1,280 882 237 186 196 167 112 81
18 72 93 340 961 1,270 859 227 172 183 163 111 81
19 72 101 354 978 1,280 812 219 169 207 193 110 80
20 72 109 380 950 1,300 787 219 166 216 224 113 79
21 73 103 395 963 1,340 759 210 168 232 180 112 78
22 73 104 426 1,020 1,370 736 199 167 250 168 107 78
23 73 107 433 1,030 1,330 702 193 162 252 161 104 78
24 72 107 449 1,070 1,300 674 192 187 218 157 101 78
25 72 108 457 1,070 1,240 654 190 219 192 154 103 78
26 72 112 472 1,060 1,230 628 193 201 180 159 101 78
27 73 116 479 1,030 1,220 610 193 189 167 154 97 79
28 74 122 482 1,020 1,220 580 187 196 164 159 94 83
29 74 131 482 1,070 1,220 555 191 202 185 152 94 82
30 73   478 1,080 1,190 531 195 184 192 146 92 82
31 74   492   1,160   199 176   142   78