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USGS Daily Statistics for Montana
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.
Sweet Grass County, Montana Hydrologic Unit Code 10070002
Latitude 45°50'01.66", Longitude 109°56'19.34"
NAD83
Drainage area 525 square miles Gage datum 4,056.3 feet above NGVD29 |
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00060, Discharge, cubic feet per second, | |||||||||||||
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Day of month |
Mean of daily mean values for each day for water year of record in, ft3/s
(Calculation Period 1947-10-01 -> 2024-09-30) Calculation period restricted by USGS staff due to special conditions at/near site |
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1 | 136 | 128 | 123 | 147 | 401 | 2,310 | 2,350 | 386 | 166 | 201 | 216 | 176 | |
2 | 136 | 127 | 123 | 149 | 433 | 2,350 | 2,250 | 369 | 165 | 204 | 210 | 175 | |
3 | 137 | 127 | 123 | 147 | 454 | 2,480 | 2,200 | 347 | 163 | 206 | 211 | 173 | |
4 | 138 | 127 | 122 | 146 | 487 | 2,680 | 2,140 | 331 | 160 | 210 | 212 | 172 | |
5 | 140 | 127 | 122 | 149 | 503 | 2,880 | 2,060 | 317 | 158 | 211 | 209 | 165 | |
6 | 137 | 124 | 127 | 153 | 539 | 3,090 | 1,950 | 300 | 159 | 213 | 210 | 163 | |
7 | 137 | 123 | 126 | 159 | 593 | 3,100 | 1,880 | 284 | 159 | 215 | 209 | 163 | |
8 | 137 | 123 | 127 | 163 | 649 | 3,040 | 1,790 | 268 | 157 | 215 | 212 | 162 | |
9 | 137 | 124 | 127 | 167 | 682 | 2,960 | 1,680 | 254 | 159 | 215 | 209 | 160 | |
10 | 140 | 127 | 128 | 173 | 702 | 2,960 | 1,610 | 241 | 162 | 215 | 204 | 165 | |
11 | 138 | 129 | 127 | 178 | 733 | 2,870 | 1,530 | 231 | 167 | 217 | 200 | 168 | |
12 | 138 | 131 | 129 | 183 | 765 | 2,790 | 1,410 | 223 | 176 | 221 | 198 | 170 | |
13 | 140 | 132 | 129 | 183 | 830 | 2,870 | 1,320 | 218 | 178 | 220 | 200 | 165 | |
14 | 141 | 131 | 129 | 187 | 873 | 2,920 | 1,250 | 212 | 176 | 220 | 201 | 162 | |
15 | 142 | 130 | 128 | 194 | 940 | 2,860 | 1,170 | 204 | 176 | 223 | 195 | 159 | |
16 | 139 | 134 | 129 | 198 | 1,000 | 2,880 | 1,080 | 198 | 174 | 228 | 197 | 155 | |
17 | 137 | 136 | 131 | 202 | 1,110 | 2,910 | 994 | 193 | 173 | 231 | 198 | 151 | |
18 | 137 | 135 | 133 | 208 | 1,180 | 2,860 | 923 | 189 | 175 | 231 | 196 | 148 | |
19 | 134 | 134 | 134 | 219 | 1,260 | 2,880 | 863 | 189 | 184 | 228 | 195 | 151 | |
20 | 133 | 132 | 134 | 230 | 1,370 | 2,830 | 819 | 187 | 191 | 228 | 193 | 148 | |
21 | 136 | 131 | 135 | 244 | 1,490 | 2,790 | 761 | 190 | 195 | 227 | 189 | 151 | |
22 | 134 | 130 | 137 | 257 | 1,550 | 2,780 | 708 | 189 | 198 | 228 | 182 | 150 | |
23 | 135 | 129 | 136 | 281 | 1,610 | 2,740 | 661 | 189 | 194 | 224 | 180 | 146 | |
24 | 135 | 127 | 138 | 297 | 1,660 | 2,730 | 617 | 192 | 196 | 224 | 187 | 143 | |
25 | 134 | 127 | 137 | 310 | 1,760 | 2,690 | 583 | 187 | 195 | 222 | 187 | 144 | |
26 | 133 | 124 | 138 | 320 | 1,830 | 2,620 | 550 | 183 | 194 | 221 | 183 | 144 | |
27 | 130 | 125 | 140 | 328 | 1,940 | 2,580 | 513 | 176 | 197 | 219 | 178 | 143 | |
28 | 129 | 125 | 139 | 336 | 2,080 | 2,530 | 480 | 171 | 199 | 217 | 176 | 145 | |
29 | 130 | 125 | 139 | 349 | 2,200 | 2,450 | 453 | 171 | 196 | 217 | 175 | 145 | |
30 | 128 | 142 | 368 | 2,220 | 2,400 | 436 | 171 | 194 | 212 | 175 | 141 | ||
31 | 129 | 145 | 2,250 | 410 | 169 | 220 | 139 |