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USGS 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 -> 2021-09-30)

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
1 245 231 235 231 1,330 3,000 1,200 544 351 318 273 245
2 258 245 217 220 848 3,000 1,140 539 339 317 271 261
3 259 229 232 214 829 3,040 1,100 516 333 310 311 247
4 254 190 237 233 777 3,070 1,120 511 330 319 320 251
5 242 211 225 232 767 3,120 1,050 498 325 316 321 256
6 242 215 239 233 828 3,300 1,000 487 324 312 309 268
7 246 217 249 243 894 3,220 986 477 342 314 282 284
8 248 238 258 264 835 2,490 969 468 339 314 301 296
9 249 238 241 281 816 1,980 906 469 352 311 305 246
10 228 235 243 319 862 1,730 860 464 352 288 306 242
11 217 221 241 356 911 1,660 848 445 355 307 284 250
12 230 215 241 297 1,040 1,790 850 436 340 312 287 276
13 237 234 212 254 1,210 2,170 852 432 327 315 310 269
14 231 232 243 272 1,310 2,120 823 424 321 328 288 252
15 223 228 219 278 1,460 1,980 781 416 315 332 295 231
16 214 228 238 251 1,540 2,060 756 412 313 334 299 227
17 230 232 233 246 1,660 2,030 752 404 323 333 292 208
18 226 221 248 264 1,620 1,850 703 401 318 336 298 196
19 230 216 232 277 1,800 1,740 673 399 315 325 298 199
20 222 210 231 296 1,830 1,680 647 399 333 337 294 244
21 237 214 236 355 1,610 1,580 625 400 348 329 260 249
22 242 224 242 412 1,400 1,470 607 388 337 330 250 259
23 239 229 231 439 1,240 1,390 626 388 327 330 281 260
24 239 232 246 415 1,130 1,350 624 377 319 299 289 273
25 241 229 231 421 1,090 1,330 605 370 314 331 271 263
26 239 225 236 499 1,220 1,280 569 365 335 334 245 243
27 243 225 212 573 1,450 1,300 554 369 335 278 257 223
28 225 226 245 557 1,720 1,380 557 369 328 227 272 242
29 242 234 234 660 2,060 1,350 570 353 331 229 257 232
30 237   234 985 2,560 1,230 547 349 321 249 263 212
31 223   240   3,040   538 351   267   216