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USGS Daily Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming 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 06181000 Poplar River near Poplar MT


Roosevelt County, Montana
Hydrologic Unit Code 10060003
Latitude  48°07'04.50", Longitude 105°11'34.14" NAD83
Drainage area 3,170  square miles
Gage datum 1,943 feet above NAVD88
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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 1907-10-01 -> 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 12 9.3 130 723 199 158 114 39 25 26 32 23
2 12 9.3 134 717 187 151 118 35 25 26 32 24
3 12 9.4 143 653 175 145 96 32 23 26 32 24
4 12 9.5 140 630 165 138 105 31 25 29 32 24
5 11 9.6 139 615 161 136 127 30 24 28 32 23
6 11 10 140 966 167 121 116 28 24 28 32 22
7 11 11 137 1,420 165 111 97 27 23 28 31 22
8 11 11 134 1,410 162 114 91 27 22 29 31 21
9 11 22 127 1,040 152 113 85 26 22 29 31 20
10 11 29 140 785 151 119 92 26 23 28 29 20
11 11 34 160 795 150 110 94 24 24 28 29 20
12 11 23 161 763 140 111 80 24 24 29 28 20
13 10 24 173 793 136 117 69 24 25 30 29 19
14 9.8 26 184 822 134 105 68 25 27 31 30 19
15 9.6 24 204 788 131 115 67 23 29 31 30 19
16 9.5 22 256 748 124 108 63 25 28 32 29 19
17 9.6 22 309 663 118 104 59 24 27 32 29 18
18 9.5 24 405 537 112 129 59 24 27 32 29 18
19 9.6 32 415 485 108 139 64 27 27 32 28 18
20 9.8 56 566 419 105 138 52 27 28 31 27 17
21 9.9 80 629 346 104 151 48 24 28 31 27 17
22 10 77 547 296 108 127 107 49 27 31 27 17
23 9.9 62 477 282 116 106 100 42 27 32 27 16
24 9.7 55 497 273 113 111 76 42 27 32 28 17
25 9.8 46 502 252 110 106 53 31 26 32 28 16
26 9.7 39 496 239 110 98 46 28 28 32 27 16
27 9.7 36 531 228 112 123 43 26 28 32 26 15
28 9.9 70 592 235 107 147 44 24 28 32 26 15
29 9.9 78 595 227 106 100 43 23 27 32 26 15
30 10   526 216 111 98 56 34 27 33 25 14
31 9.8   575   142   48 25   33   14