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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 06207500 Clarks Fork Yellowstone River nr Belfry MT


Carbon County, Montana
Hydrologic Unit Code 10070006
Latitude  45°00'35.68", Longitude 109°03'55.32" NAD83
Drainage area 1,153  square miles
Gage datum 3,986.24 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 1920-10-01 -> 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
1 241 223 221 262 816 3,770 3,600 982 346 292 289 297
2 242 224 217 265 850 3,770 3,530 937 333 284 287 301
3 241 227 215 266 901 3,860 3,410 893 333 279 288 298
4 242 228 213 267 971 4,050 3,340 859 324 284 296 294
5 244 227 212 274 1,040 4,320 3,250 820 310 277 298 288
6 240 225 220 282 1,120 4,600 3,160 783 300 277 300 282
7 239 224 220 296 1,190 4,640 3,060 740 301 277 303 281
8 240 225 220 303 1,270 4,580 2,910 698 301 286 308 278
9 239 227 222 312 1,340 4,520 2,800 675 300 280 312 276
10 237 231 223 323 1,390 4,420 2,700 644 297 277 310 274
11 236 225 222 327 1,450 4,320 2,620 629 304 281 306 278
12 236 226 222 341 1,520 4,260 2,530 611 299 284 302 276
13 239 231 222 359 1,600 4,400 2,420 591 300 285 306 271
14 238 230 223 378 1,710 4,440 2,290 571 293 281 312 272
15 237 228 223 399 1,820 4,450 2,200 555 298 283 312 270
16 236 227 225 406 1,980 4,440 2,100 529 294 287 312 263
17 230 228 230 426 2,160 4,460 1,980 508 283 286 315 263
18 231 225 231 437 2,290 4,340 1,870 487 283 288 315 262
19 232 225 231 461 2,380 4,290 1,780 474 310 288 311 262
20 232 225 234 479 2,530 4,230 1,710 474 296 288 309 262
21 233 226 236 502 2,730 4,180 1,620 469 301 287 306 260
22 234 224 239 538 2,810 4,200 1,530 464 295 283 302 261
23 232 222 242 581 2,860 4,200 1,450 455 289 282 302 253
24 231 219 247 591 2,980 4,210 1,400 435 285 280 311 251
25 230 222 246 615 3,080 4,160 1,340 414 279 277 316 250
26 229 221 246 639 3,220 4,080 1,280 408 272 279 311 249
27 229 224 247 651 3,340 4,020 1,220 395 275 282 303 245
28 229 223 248 690 3,520 3,860 1,160 380 302 279 304 245
29 228 233 250 727 3,690 3,740 1,110 367 283 282 302 245
30 228   251 764 3,770 3,670 1,090 358 285 283 300 245
31 227   255   3,780   1,040 354   282   244