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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 06080900 Sun River bl Diversion Dam nr Augusta MT


Lewis And Clark County, Montana
Hydrologic Unit Code 10030104
Latitude  47°37'06.62", Longitude 112°41'31.40" NAD83
Drainage area 610  square miles
Gage datum 4,363.27 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 1967-10-01 -> 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
1 143 144 135 227 574 2,370 710 131 179 136 139 155
2 149 140 134 230 586 2,270 687 130 177 143 139 157
3 150 139 131 234 598 2,240 700 136 173 146 136 158
4 151 139 133 242 662 2,250 690 142 166 146 135 160
5 148 139 134 253 783 2,340 675 143 166 144 136 161
6 149 138 134 257 913 2,600 638 142 166 141 139 159
7 148 139 136 248 948 2,580 580 142 166 137 148 159
8 148 143 135 248 954 2,370 520 143 164 141 152 157
9 148 143 139 247 979 2,380 468 140 164 144 151 157
10 152 142 138 239 1,030 2,170 435 141 167 144 149 156
11 152 141 140 234 1,160 1,890 387 133 169 142 149 153
12 149 141 141 237 1,260 1,760 322 144 166 141 148 149
13 148 142 147 250 1,350 1,820 265 130 157 143 149 149
14 147 142 146 256 1,470 1,880 212 130 156 145 147 149
15 147 141 146 288 1,420 1,780 198 133 147 145 148 143
16 150 146 146 316 1,380 1,710 195 135 139 146 148 135
17 153 144 149 299 1,420 1,610 195 134 138 149 151 133
18 153 139 152 296 1,500 1,610 194 133 136 160 155 133
19 150 138 156 283 1,500 2,800 192 134 131 157 156 135
20 148 138 157 257 1,480 2,270 188 137 127 157 154 141
21 145 139 154 253 1,500 1,830 173 142 126 156 156 142
22 147 138 157 257 1,530 1,500 159 149 127 156 157 141
23 148 137 158 277 1,580 1,420 149 159 126 157 158 141
24 149 140 157 333 1,630 1,370 142 168 127 157 160 143
25 149 133 161 379 1,750 1,260 136 176 130 154 159 146
26 143 134 163 383 1,990 1,140 131 176 125 149 156 146
27 141 135 209 416 2,180 972 127 175 124 133 151 145
28 138 136 208 461 2,400 814 126 174 123 132 151 145
29 137 137 213 492 2,350 734 127 176 124 136 151 144
30 136   213 534 2,290 695 132 184 128 139 154 146
31 144   227   2,360   134 181   139   144