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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 -> 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 72 66 66 138 637 1,660 825 207 132 105 121 96
2 69 66 67 151 655 1,660 782 203 132 106 115 100
3 69 67 66 162 687 1,720 753 196 129 108 113 102
4 68 70 66 169 767 1,720 724 191 127 108 114 98
5 69 74 64 167 843 1,650 704 186 131 110 121 94
6 71 69 66 170 944 1,600 669 183 128 109 124 89
7 72 68 66 177 1,010 1,570 624 180 124 107 121 90
8 71 68 66 186 988 1,870 585 176 121 107 114 86
9 70 70 64 192 1,010 1,750 555 172 122 107 108 88
10 69 72 64 190 1,030 1,610 531 171 120 107 109 88
11 68 72 66 184 1,080 1,530 503 167 119 108 103 87
12 67 70 66 187 1,130 1,500 478 161 118 109 99 87
13 67 71 68 194 1,150 1,510 469 157 116 111 101 84
14 66 70 70 202 1,130 1,460 448 153 115 112 100 81
15 67 69 84 212 1,170 1,360 422 153 117 118 101 80
16 67 69 102 219 1,250 1,330 406 155 117 117 97 79
17 66 68 92 238 1,320 1,320 383 154 115 116 92 78
18 66 68 88 265 1,390 1,270 361 150 114 113 93 78
19 64 66 90 295 1,490 1,250 340 147 114 117 94 77
20 63 66 93 345 1,530 1,230 324 146 113 117 94 77
21 62 66 95 377 1,580 1,220 311 151 114 116 93 77
22 63 65 95 404 1,560 1,180 294 145 115 118 94 77
23 63 64 94 428 1,520 1,120 282 143 114 118 101 77
24 63 65 94 443 1,510 1,090 270 144 112 116 107 78
25 63 66 95 448 1,570 1,040 262 145 114 124 99 78
26 63 68 97 459 1,590 968 253 140 118 127 96 77
27 64 67 102 483 1,600 922 244 136 116 123 95 75
28 64 67 113 520 1,590 877 236 136 114 120 97 77
29 64 66 115 557 1,660 854 226 137 113 120 97 77
30 65   117 603 1,700 855 219 138 105 121 96 76
31 65   122   1,660   212 136   122   75