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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 06085800 Sun River at Simms MT


Cascade County, Montana
Hydrologic Unit Code 10030104
Latitude  47°30'05.86", Longitude 111°55'54.89" NAD83
Drainage area 1,296  square miles
Gage datum 3,570 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 30 - 35 years of record in, ft3/s   (Calculation Period 1965-10-01 -> 2018-09-30)

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
1 171 189 189 252 485 2,340 832 126 160 149 208 201
2 176 192 191 253 499 2,330 824 130 153 163 211 199
3 175 193 187 250 544 2,280 746 129 148 170 210 203
4 179 194 188 248 579 2,250 735 125 143 175 209 194
5 179 195 193 249 619 2,280 671 126 138 178 212 191
6 179 196 196 260 643 2,550 631 127 138 178 212 193
7 182 195 199 272 670 2,760 554 132 140 177 212 198
8 186 193 208 268 726 2,620 494 146 140 175 217 194
9 187 193 210 277 783 2,440 457 142 137 179 220 189
10 183 194 213 272 838 2,290 411 141 136 181 218 197
11 178 197 208 271 905 2,100 360 140 136 180 215 200
12 179 205 215 274 954 1,940 310 141 141 183 215 200
13 179 205 215 285 953 1,870 274 140 141 189 218 194
14 182 202 223 296 988 1,980 246 142 139 197 218 190
15 187 200 223 295 1,050 1,890 220 148 139 205 219 191
16 196 203 220 313 985 1,860 206 152 137 208 221 192
17 198 201 226 327 1,030 1,840 187 151 132 206 220 191
18 203 200 241 323 1,170 1,820 185 148 131 206 221 180
19 203 197 229 322 1,240 2,440 182 145 132 216 222 176
20 202 196 242 314 1,230 2,490 190 153 132 216 217 175
21 197 194 266 309 1,170 2,020 182 150 130 217 217 175
22 200 193 262 296 1,170 1,730 164 153 130 219 222 167
23 200 189 255 286 1,180 1,650 148 158 130 218 223 165
24 200 190 248 294 1,280 1,500 139 167 124 217 222 169
25 203 188 244 331 1,470 1,470 136 166 122 215 218 174
26 203 185 243 354 1,720 1,380 130 163 127 214 214 178
27 199 188 249 363 1,810 1,180 130 157 133 215 210 184
28 195 187 247 419 1,930 965 128 149 133 206 207 180
29 192 189 245 465 1,990 810 123 148 132 201 204 183
30 190   246 476 2,080 814 121 148 138 203 201 177
31 189   253   2,300   124 156   202   171