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USGS Daily Statistics for Idaho

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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 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 -> 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 88 91 104 254 622 861 375 94 81 82 137 121
2 88 90 105 248 621 800 365 93 77 84 139 135
3 88 86 105 251 625 800 360 90 75 85 138 131
4 88 90 109 261 650 820 351 88 75 83 132 125
5 87 94 111 270 712 805 329 87 74 83 148 120
6 88 94 110 265 792 789 304 85 73 81 154 138
7 92 92 110 269 860 765 291 84 73 81 146 140
8 92 92 111 299 856 733 284 85 75 82 135 137
9 92 89 102 316 792 716 267 82 84 82 124 151
10 89 90 101 322 730 704 254 85 84 85 120 154
11 90 92 108 319 694 705 241 85 81 87 113 138
12 88 87 111 318 693 687 227 83 80 85 112 129
13 90 90 117 314 717 681 219 81 81 85 127 122
14 87 96 121 315 712 738 208 80 80 92 135 118
15 85 93 131 318 700 733 196 77 81 100 161 115
16 84 93 146 319 715 712 186 78 80 103 162 111
17 84 96 154 321 750 683 178 78 79 107 150 106
18 84 95 160 322 727 677 170 78 83 107 140 107
19 86 98 169 331 683 637 162 75 86 104 133 106
20 86 101 185 356 647 589 154 74 85 102 128 104
21 85 96 185 389 675 559 147 74 83 109 127 104
22 84 92 187 415 764 535 142 75 84 111 130 104
23 85 92 193 453 813 522 136 78 86 113 141 103
24 87 97 197 500 871 511 131 82 85 106 155 98
25 87 96 202 520 875 487 124 81 83 101 133 96
26 85 96 204 535 845 450 120 81 85 104 124 95
27 84 97 206 580 812 430 115 81 84 112 119 98
28 82 99 219 611 821 418 111 81 82 120 115 101
29 84 116 233 621 819 406 107 80 82 133 113 95
30 88   246 619 812 384 104 84 82 138 114 91
31 90   251   847   100 87   136   89