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USGS Daily Statistics for the Nation

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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 06317000 POWDER RIVER AT ARVADA, WY


Sheridan County, Wyoming
Hydrologic Unit Code 10090202
Latitude  44°39'00", Longitude 106°07'37" NAD27
Drainage area 5,924  square miles
Gage datum 3,620 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 1930-10-01 -> 2026-09-30)

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 90 108 340 345 441 985 340 132 42 133 145 111
2 90 109 336 345 464 865 309 133 53 108 146 112
3 89 113 331 304 465 875 310 133 63 96 149 111
4 90 117 336 287 489 869 288 123 57 115 149 109
5 89 120 318 282 519 866 277 98 55 129 147 106
6 88 126 320 288 597 877 288 80 49 122 142 106
7 89 126 348 285 629 838 250 89 57 128 141 107
8 90 127 344 285 598 875 254 137 71 162 144 107
9 91 129 359 296 566 798 270 98 65 129 143 105
10 92 133 382 314 609 781 261 72 70 121 144 105
11 93 142 420 311 630 835 288 71 71 114 143 108
12 94 147 460 335 594 872 304 103 59 114 138 106
13 95 157 455 324 639 791 452 135 80 113 137 103
14 97 176 443 335 637 763 361 98 78 128 138 100
15 98 180 425 370 632 795 238 80 89 132 141 101
16 98 178 483 328 639 946 223 79 72 125 140 101
17 100 178 506 323 670 1,050 170 67 62 139 137 103
18 100 177 494 317 738 839 267 62 70 206 139 103
19 99 192 470 333 893 746 200 89 78 196 134 100
20 99 185 487 334 983 636 152 105 68 154 130 99
21 100 190 437 326 779 519 133 107 63 142 128 99
22 101 195 405 375 753 550 140 68 71 140 127 102
23 102 213 378 363 998 666 162 65 80 143 122 102
24 102 229 351 368 1,010 537 166 63 96 169 124 104
25 105 225 341 390 885 491 159 68 88 150 122 104
26 103 235 390 420 984 480 170 54 80 143 119 104
27 104 243 362 442 1,070 416 230 44 82 138 117 107
28 105 291 321 433 843 404 274 51 77 136 116 99
29 106 613 315 448 848 362 207 170 78 137 115 96
30 105   316 450 920 361 159 81 80 147 113 94
31 107   325   925   157 54   158   92