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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS streamflow data in Wyoming and Montana can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

UPDATED October 1, 2019: USGS streamflow monitoring will continue at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site will be funded by a partner agency. Partner funding for this site will result in continuation of streamflow monitoring activities. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

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 06306300 Tongue River at State Line nr Decker MT


Big Horn County, Montana
Hydrologic Unit Code 10090101
Latitude  45°00'32.89", Longitude 106°50'09.40" NAD83
Drainage area 1,451  square miles
Gage datum 3,429 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 1960-10-01 -> 2019-09-30)

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
1 159 180 259 288 551 1,770 967 198 157 244 243 192
2 159 178 255 307 568 1,760 918 191 160 245 238 189
3 157 176 258 296 575 1,740 864 188 169 246 232 189
4 157 175 269 275 589 1,780 814 192 168 248 230 193
5 158 179 291 267 627 1,840 770 186 171 249 233 184
6 163 188 292 281 686 1,880 714 181 170 246 233 176
7 165 190 287 287 758 1,930 669 173 171 251 229 171
8 167 203 288 288 824 1,970 619 167 176 259 227 169
9 166 196 288 287 836 1,980 575 160 180 256 226 168
10 168 191 289 292 861 1,970 535 158 184 253 220 173
11 166 190 297 298 903 1,880 501 161 187 252 218 177
12 164 201 329 310 925 1,820 482 158 192 250 217 179
13 166 216 350 306 889 1,760 456 156 196 246 220 176
14 169 238 347 301 925 1,750 427 158 208 245 220 174
15 174 243 340 303 964 1,840 395 163 214 247 215 172
16 179 232 325 311 1,010 1,900 364 164 220 252 214 172
17 180 225 319 319 1,100 1,890 344 164 222 254 214 171
18 176 219 337 329 1,300 1,800 328 163 219 254 215 167
19 174 218 370 340 1,480 1,680 307 173 222 254 212 166
20 176 217 359 350 1,380 1,600 297 166 226 248 211 164
21 178 219 325 349 1,420 1,530 287 164 233 247 203 164
22 180 211 317 362 1,550 1,490 283 165 236 244 198 164
23 180 221 305 386 1,550 1,470 265 163 240 243 197 164
24 180 218 297 416 1,560 1,410 254 170 241 240 201 167
25 184 227 293 474 1,620 1,350 245 166 248 240 200 168
26 183 244 277 517 1,690 1,290 242 162 245 239 197 166
27 181 257 270 502 1,670 1,220 234 159 244 238 195 167
28 178 251 273 538 1,710 1,150 229 156 246 234 195 166
29 176 380 268 555 1,850 1,090 221 156 246 236 196 164
30 183   258 543 1,910 1,020 211 158 244 236 193 161
31 186   260   1,830   203 156   239   160