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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 06308500 Tongue River at Miles City, MT


Custer County, Montana
Hydrologic Unit Code 10090102
Latitude  46°23'04.54", Longitude 105°50'43.88" NAD83
Drainage area 5,405  square miles
Gage datum 2,351.40 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 1937-10-01 -> 2025-09-30)

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
1 165 188 334 453 424 1,240 979 194 193 208 251 221
2 165 184 326 449 409 1,250 905 187 210 238 250 222
3 166 183 389 475 421 1,290 893 196 202 262 253 217
4 164 187 429 489 432 1,290 939 188 197 227 257 213
5 164 192 438 465 427 1,290 842 179 180 223 260 204
6 166 217 482 421 470 1,310 727 175 179 232 260 202
7 168 218 467 411 526 1,330 666 172 178 233 266 193
8 169 218 449 405 493 1,430 611 165 183 227 267 191
9 171 210 425 403 532 1,450 578 160 189 224 267 189
10 173 202 467 412 552 1,400 548 156 189 231 261 185
11 173 202 460 424 602 1,390 498 153 184 225 257 190
12 186 213 503 422 550 1,410 493 165 188 226 251 185
13 194 230 528 421 581 1,450 459 171 193 226 253 183
14 187 247 503 410 625 1,500 416 176 197 227 258 180
15 182 324 492 409 581 1,580 390 168 216 228 256 181
16 197 334 488 402 602 1,420 360 161 221 230 254 178
17 197 331 500 399 615 1,400 338 176 199 234 259 178
18 190 318 535 399 672 1,430 321 174 190 236 258 176
19 191 318 662 411 700 1,420 325 163 195 269 255 174
20 194 299 712 433 730 1,390 323 157 199 239 254 176
21 193 293 738 421 852 1,390 292 163 197 248 246 176
22 195 280 694 406 881 1,380 276 172 196 266 232 176
23 200 271 634 396 888 1,330 262 188 198 254 223 174
24 206 282 558 433 916 1,290 250 218 197 241 226 173
25 216 300 516 400 971 1,280 247 193 227 235 227 173
26 213 319 492 391 961 1,210 239 178 219 234 223 174
27 205 336 470 386 991 1,240 268 170 207 239 225 171
28 199 331 459 403 1,000 1,190 304 177 206 247 222 170
29 199 381 432 427 1,040 1,130 259 181 206 246 222 168
30 196   470 436 1,120 1,060 227 197 202 249 219 168
31 193   470   1,220   208 181   248   168