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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 9.2 132 730 200 159 115 39 25 26 32 23
2 12 9.2 135 724 188 152 119 35 25 26 32 24
3 12 9.2 144 659 177 146 97 32 23 26 32 24
4 12 9.3 142 636 166 138 106 31 25 29 32 24
5 11 9.4 140 621 162 137 128 30 24 28 32 23
6 11 9.9 142 976 168 122 117 28 24 28 32 22
7 11 11 138 1,430 166 112 98 27 23 28 31 22
8 11 11 135 1,420 161 115 91 27 22 29 31 21
9 11 22 128 1,050 152 113 85 26 22 29 31 20
10 11 29 142 792 150 120 93 26 23 28 29 20
11 11 34 161 802 149 111 95 24 24 28 29 20
12 11 23 162 770 139 112 81 24 24 29 28 20
13 10 24 174 801 135 118 69 24 25 30 29 19
14 9.8 26 186 830 133 106 69 25 27 31 30 19
15 9.5 24 206 796 131 116 68 23 29 31 30 19
16 9.4 22 254 756 124 109 64 25 28 32 29 19
17 9.6 22 305 670 118 105 59 24 27 32 29 18
18 9.5 24 403 542 112 130 59 24 27 32 29 18
19 9.6 32 414 489 108 140 65 27 27 32 28 18
20 9.8 57 568 423 104 139 53 27 28 31 27 17
21 9.9 81 633 349 103 152 49 24 28 31 27 17
22 10 78 551 298 108 128 108 49 27 31 27 17
23 9.8 62 480 285 116 107 101 42 27 32 27 16
24 9.7 55 501 275 113 112 76 42 27 32 28 17
25 9.8 46 506 254 110 106 53 31 26 32 28 16
26 9.7 39 500 240 110 99 46 28 28 32 27 16
27 9.7 36 536 229 112 124 44 26 28 32 26 15
28 9.8 71 598 236 107 149 44 24 28 32 26 15
29 9.8 80 600 229 106 101 43 23 27 32 26 15
30 9.9   531 218 111 99 56 34 27 33 25 14
31 9.7   580   143   48 25   33   14