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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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 -> 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 90 108 342 347 443 992 342 133 42 134 145 111
2 90 110 337 346 466 870 311 130 53 108 146 112
3 89 113 331 305 467 881 312 130 64 96 149 111
4 90 117 335 287 491 875 289 122 57 116 149 109
5 89 120 317 283 522 872 279 97 56 129 147 106
6 88 126 319 288 601 884 290 79 50 123 142 106
7 89 126 347 286 633 844 251 89 58 129 141 107
8 90 127 343 286 602 881 255 137 72 163 144 107
9 91 129 358 297 569 804 272 99 66 130 143 105
10 92 134 382 315 613 787 263 73 70 122 144 105
11 93 142 419 312 634 842 290 71 72 114 143 108
12 94 148 459 337 598 878 306 104 59 114 138 106
13 95 157 456 325 643 795 456 136 81 113 137 103
14 97 177 444 337 640 769 365 98 78 129 138 100
15 98 180 426 372 634 800 241 81 90 133 141 101
16 98 179 485 329 642 954 225 80 72 126 140 101
17 100 179 509 324 673 1,060 172 67 63 139 137 103
18 100 178 496 318 742 845 269 62 71 206 139 103
19 99 193 472 334 899 752 202 90 78 197 134 100
20 99 186 489 335 989 641 153 106 69 153 130 99
21 100 191 440 328 784 523 134 108 63 141 128 99
22 101 196 407 377 758 554 141 68 71 140 127 102
23 102 213 380 364 1,000 671 164 66 81 143 121 102
24 102 230 352 369 1,020 541 168 63 97 169 124 104
25 105 226 342 392 891 495 159 68 89 150 122 104
26 103 237 392 423 991 484 171 54 80 143 119 104
27 104 244 364 445 1,080 419 231 45 82 137 117 107
28 105 293 323 435 848 406 276 51 78 135 116 99
29 106 613 317 450 853 363 209 172 78 137 115 96
30 106   317 452 926 362 160 81 80 147 113 94
31 107   326   932   158 54   158   92