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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 12301250 Tobacco River at Eureka, MT


Lincoln County, Montana
Hydrologic Unit Code 17010101
Latitude  48°52'40.61", Longitude 115°03'16.06" NAD83
Drainage area 396.2  square miles
Gage datum 2,555.12 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 2015-10-01 -> 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 90 95 104 253 653 909 380 95 79 83 145 127
2 90 93 105 249 653 840 370 94 76 84 146 143
3 90 90 106 252 660 823 366 91 74 87 145 138
4 90 95 112 259 690 828 357 89 73 84 139 131
5 89 100 114 268 760 820 336 87 73 83 157 126
6 90 99 114 262 846 806 308 85 72 82 164 147
7 95 96 116 269 917 781 296 84 72 81 155 147
8 95 96 115 308 914 742 290 84 75 83 143 142
9 95 93 105 329 845 723 273 82 86 83 131 159
10 92 94 103 338 773 710 259 86 86 87 126 162
11 92 96 110 334 724 711 247 87 82 88 117 145
12 90 91 114 324 709 692 233 83 80 87 116 135
13 92 95 120 315 718 693 224 81 80 86 132 128
14 89 98 126 309 704 762 213 79 80 95 141 123
15 87 96 139 302 696 759 200 77 80 103 170 119
16 87 98 157 296 716 739 189 75 79 106 171 116
17 89 101 167 304 739 711 182 76 79 109 158 110
18 90 99 174 313 724 704 174 77 83 111 148 110
19 92 100 183 329 692 661 165 74 85 108 140 108
20 90 102 199 361 661 610 157 74 84 105 134 107
21 89 97 193 400 699 578 149 73 83 112 132 107
22 88 93 190 431 801 551 144 74 84 112 136 107
23 88 90 197 476 853 537 138 76 86 117 147 106
24 90 91 200 529 912 526 133 78 85 109 163 100
25 91 93 204 552 912 500 127 79 83 104 139 97
26 88 94 203 566 881 460 123 80 85 107 129 97
27 88 96 203 606 850 438 118 79 84 116 124 100
28 87 98 213 632 861 424 113 79 82 125 120 104
29 88 111 226 644 851 413 109 77 82 141 118 97
30 92   245 645 843 390 104 81 83 146 119 92
31 94   255   889   100 85   144   90