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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 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 1,110 1,170 519 201 185 191 145 96
2 74 73 142 554 1,120 1,170 491 205 170 177 143 95
3 73 74 146 544 1,120 1,160 452 217 166 176 142 93
4 73 74 153 569 1,130 1,160 420 212 153 173 136 91
5 75 74 158 598 1,160 1,160 388 225 151 181 132 90
6 75 74 184 637 1,150 1,180 375 236 231 178 130 91
7 73 75 169 668 1,140 1,170 361 237 186 194 126 106
8 73 77 173 690 1,140 1,160 352 233 166 194 124 99
9 74 78 180 709 1,130 1,120 346 211 163 182 124 90
10 74 79 193 721 1,120 1,070 332 203 176 179 120 86
11 76 81 226 733 1,120 1,030 311 207 191 182 119 83
12 74 88 269 765 1,120 992 296 198 192 186 125 83
13 73 88 270 791 1,130 981 277 190 207 175 118 83
14 72 93 283 806 1,170 977 256 183 241 168 115 82
15 73 92 296 844 1,210 961 248 193 231 171 114 80
16 72 93 309 858 1,260 931 239 197 218 170 112 79
17 72 92 324 903 1,290 893 241 189 196 167 112 81
18 72 93 340 961 1,280 870 230 175 183 163 111 81
19 72 101 354 978 1,290 823 222 169 207 193 110 80
20 72 109 380 950 1,320 797 223 166 216 224 113 79
21 73 103 395 963 1,350 770 213 168 232 180 112 78
22 73 104 426 1,020 1,380 746 202 167 250 168 107 78
23 73 107 433 1,030 1,340 712 196 162 252 161 104 78
24 72 107 449 1,070 1,310 684 195 187 218 157 101 78
25 72 108 457 1,070 1,250 663 193 219 192 154 103 78
26 72 112 472 1,060 1,240 637 195 201 180 159 101 78
27 73 116 479 1,030 1,230 618 196 189 167 154 97 79
28 74 122 482 1,030 1,230 588 189 196 164 159 94 83
29 74 131 482 1,080 1,230 563 194 202 185 152 94 82
30 73   478 1,090 1,200 539 198 184 192 146 92 82
31 74   492   1,170   202 176   142   78