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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 06078500 North Fork Sun River near Augusta MT


Teton County, Montana
Hydrologic Unit Code 10030104
Latitude  47°38'23.5", Longitude 112°51'33.6" NAD83
Drainage area 259  square miles
Gage datum 4,783.84 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 1910-10-01 -> 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 72 66 66 137 629 1,630 812 205 131 104 121 96
2 69 67 66 150 646 1,640 770 201 130 106 115 100
3 69 67 66 163 678 1,690 741 194 127 107 113 102
4 68 70 65 172 755 1,700 713 189 126 107 114 98
5 69 73 64 169 830 1,630 694 184 129 109 121 94
6 71 69 65 172 929 1,580 659 181 126 109 124 89
7 72 68 65 178 994 1,550 615 178 123 106 121 90
8 71 68 66 185 972 1,850 576 174 120 106 114 86
9 70 70 64 191 992 1,730 547 170 121 106 108 88
10 69 72 64 190 1,010 1,590 523 170 119 106 109 88
11 68 72 66 184 1,070 1,520 496 165 118 107 103 87
12 67 70 66 188 1,120 1,490 471 159 117 108 99 87
13 67 71 68 198 1,150 1,490 462 156 115 110 101 84
14 66 70 69 211 1,130 1,440 442 152 114 110 100 81
15 67 69 83 222 1,170 1,340 416 152 116 118 101 80
16 67 68 101 229 1,250 1,310 400 156 116 117 97 79
17 66 68 92 243 1,320 1,300 377 153 114 116 92 78
18 66 68 88 268 1,390 1,250 356 149 116 113 93 78
19 64 66 90 296 1,470 1,230 336 146 115 117 94 77
20 63 66 94 343 1,510 1,210 320 145 113 117 94 77
21 62 66 96 374 1,560 1,200 307 149 114 116 93 77
22 63 65 96 400 1,540 1,160 290 143 115 118 94 77
23 63 64 95 424 1,500 1,100 279 142 113 118 101 77
24 63 65 95 439 1,490 1,080 266 143 111 116 107 78
25 63 66 95 446 1,550 1,020 258 143 113 124 99 78
26 63 68 97 457 1,570 953 250 139 118 127 96 77
27 64 67 102 480 1,570 908 241 135 115 123 95 75
28 64 67 112 516 1,560 864 233 135 114 120 97 77
29 64 66 114 552 1,640 841 223 136 112 120 97 77
30 65   116 596 1,680 842 216 137 105 121 96 76
31 65   121   1,630   210 134   122   75