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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 06023000 Ruby River near Twin Bridges MT


Madison County, Montana
Hydrologic Unit Code 10020003
Latitude  45°30'24.89", Longitude 112°19'51.20" NAD83
Drainage area 970  square miles
Gage datum 4,670 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 1939-10-01 -> 2020-09-30)

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
1 159 140 140 176 175 254 359 119 180 211 226 205
2 156 141 139 174 172 265 350 118 179 209 224 205
3 153 151 138 182 171 288 350 115 180 204 224 207
4 152 156 139 183 172 314 352 112 180 203 223 202
5 153 149 140 185 168 329 344 111 179 203 221 195
6 152 148 140 189 164 346 329 107 182 202 224 194
7 153 148 144 191 169 369 313 108 186 203 224 191
8 153 146 146 193 185 391 302 106 185 200 228 189
9 152 142 148 192 199 402 286 104 187 201 222 189
10 150 141 149 193 205 407 274 106 189 203 223 187
11 150 141 150 186 210 401 263 111 190 205 220 185
12 151 141 152 188 210 392 259 113 193 206 220 184
13 148 142 151 190 212 394 253 116 190 209 219 181
14 145 142 152 191 206 397 251 118 191 209 220 181
15 143 142 153 188 199 396 244 121 191 212 219 183
16 140 142 154 183 192 419 234 121 191 213 216 182
17 138 144 159 188 185 459 217 123 192 213 219 183
18 138 142 164 189 183 464 207 122 192 213 222 182
19 137 143 164 189 182 457 200 122 193 215 222 182
20 137 143 164 189 183 438 189 127 195 216 219 184
21 138 142 164 188 192 439 175 131 199 215 220 184
22 139 141 168 189 205 430 161 137 198 217 218 181
23 139 141 170 191 215 402 157 147 199 219 218 179
24 138 138 175 193 219 385 149 150 200 221 217 174
25 138 139 180 192 228 389 142 155 199 222 215 173
26 137 137 183 194 236 396 134 156 200 223 212 172
27 135 137 181 191 233 395 131 160 199 224 209 169
28 137 138 182 185 230 381 132 166 202 225 207 168
29 139 148 182 185 230 360 127 171 208 224 206 166
30 141   183 181 236 343 125 173 207 222 204 166
31 139   183   243   120 175   221   163