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USGS Daily Statistics for the Nation

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 4,370 feet above NGVD29
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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 2,370 710 131 179 136 138 158
2 150 140 134 230 586 2,270 687 130 177 143 138 160
3 151 139 131 234 598 2,240 700 136 173 146 135 161
4 151 139 133 242 662 2,250 690 142 166 146 133 164
5 149 139 134 253 783 2,340 675 143 166 143 134 164
6 149 138 134 257 913 2,600 638 142 166 140 138 162
7 149 139 136 248 948 2,580 580 142 166 136 148 162
8 148 143 135 248 954 2,370 520 143 164 141 153 160
9 148 143 139 247 979 2,380 468 140 164 144 153 161
10 153 142 138 239 1,030 2,170 435 141 167 144 151 160
11 153 141 140 234 1,160 1,890 387 133 169 141 151 156
12 149 141 141 237 1,260 1,760 322 144 166 140 150 152
13 149 142 147 250 1,350 1,820 265 130 157 142 151 152
14 147 142 146 256 1,470 1,880 212 130 156 144 150 152
15 148 141 146 288 1,420 1,780 198 133 147 145 150 145
16 151 146 146 316 1,380 1,710 195 135 139 145 150 138
17 154 144 149 299 1,420 1,610 195 134 138 149 153 135
18 154 139 152 296 1,500 1,610 194 133 136 160 158 135
19 151 138 156 283 1,500 2,800 192 134 131 157 159 136
20 149 138 157 257 1,480 2,270 188 137 127 157 157 141
21 145 139 154 253 1,500 1,830 173 142 126 156 159 142
22 147 138 157 257 1,530 1,500 159 149 127 157 160 141
23 149 137 158 277 1,580 1,420 149 159 126 158 161 141
24 150 140 157 333 1,630 1,370 142 168 127 157 163 143
25 149 133 161 379 1,750 1,260 136 176 130 155 162 146
26 143 134 163 383 1,990 1,140 131 176 125 149 159 146
27 141 135 209 416 2,180 972 127 175 124 133 154 146
28 138 136 208 461 2,400 814 126 174 123 131 154 146
29 137 137 213 492 2,350 734 127 176 124 135 154 144
30 136   213 534 2,290 695 132 184 128 138 157 146
31 144   227   2,360   134 181   138   144