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USGS Surface-Water Daily Statistics for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana 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.

USGS 06043120 Gallatin River above Deer Creek, near Big Sky, MT


Gallatin County, Montana
Hydrologic Unit Code 10020008
Latitude  45°17'50.20", Longitude 111°12'41.01" NAD83
Drainage area 537.6  square miles
Gage datum 5,875 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 2018-10-01 -> 2022-09-30)

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
1 236 222 222 234 1,070 2,640 1,000 485 331 299 269 234
2 245 233 217 238 912 2,750 956 479 322 298 271 225
3 244 230 225 241 825 2,900 927 468 318 293 291 215
4 239 208 227 266 762 3,020 937 456 315 298 296 215
5 238 218 220 275 743 3,100 893 446 311 316 295 221
6 234 219 229 262 814 3,140 849 459 309 312 291 227
7 238 219 237 258 943 2,920 830 444 320 314 280 234
8 242 227 238 280 957 2,400 813 427 317 314 297 248
9 231 222 235 275 849 2,030 764 426 326 311 269 228
10 210 216 229 296 835 1,810 728 419 325 288 276 234
11 210 211 225 319 840 1,660 717 404 329 307 265 227
12 223 209 220 280 905 1,680 716 396 317 312 263 245
13 235 214 210 255 1,030 1,930 712 392 309 315 271 231
14 232 212 234 262 1,140 1,900 691 385 305 328 265 232
15 225 220 229 269 1,280 1,800 660 382 300 310 267 226
16 221 225 238 249 1,390 1,840 641 377 298 306 266 226
17 233 230 228 249 1,560 1,780 637 373 304 319 276 222
18 230 222 240 273 1,620 1,620 600 375 301 317 285 220
19 229 217 240 290 1,810 1,530 578 380 305 323 284 217
20 218 215 244 286 1,850 1,470 563 410 323 324 269 243
21 232 215 235 317 1,610 1,380 556 388 329 314 239 249
22 238 222 237 359 1,400 1,280 542 376 319 307 236 256
23 235 226 230 382 1,360 1,220 552 369 310 282 251 242
24 222 219 225 370 1,240 1,180 543 357 303 294 258 236
25 222 213 234 381 1,180 1,160 526 351 299 276 245 228
26 229 215 233 415 1,340 1,100 500 347 312 264 230 227
27 222 221 218 445 1,470 1,110 488 349 312 272 236 231
28 225 219 240 454 1,670 1,150 489 351 306 251 234 227
29 238 234 236 539 1,910 1,120 502 337 308 257 229 216
30 235   225 775 2,240 1,030 494 333 301 267 229 199
31 220   224   2,600   478 332   273   211