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USGS Daily Statistics for Colorado

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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 09081000 ROARING FORK RIVER NEAR EMMA, CO


Eagle County, Colorado
Hydrologic Unit Code 14010004
Latitude  39°22'24", Longitude 107°05'00" NAD27
Drainage area 859  square miles
Gage datum 6,468.82 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 1997-10-01 -> 2024-09-30)

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
1 251 246 246 301 550 1,580 1,620 635 477 418 331 284
2 251 243 244 306 567 1,640 1,560 627 474 423 329 281
3 248 241 242 312 571 1,710 1,500 621 472 421 332 278
4 270 238 243 313 586 1,740 1,410 612 467 418 328 274
5 258 238 242 325 596 1,840 1,360 619 467 412 329 272
6 252 241 242 330 616 1,950 1,360 611 466 413 322 270
7 250 239 247 331 640 2,050 1,280 596 467 406 319 271
8 253 242 246 346 662 2,070 1,230 590 465 401 321 270
9 252 241 243 356 664 2,090 1,210 571 466 402 317 268
10 252 241 248 365 677 2,070 1,160 570 471 401 313 260
11 246 245 248 368 703 2,020 1,100 570 467 395 309 269
12 247 241 259 376 718 1,990 1,060 560 462 395 306 271
13 250 247 261 383 724 1,910 1,010 548 460 391 305 272
14 248 246 263 390 750 1,860 973 538 456 386 312 271
15 245 242 267 399 784 1,810 942 540 459 381 305 265
16 250 240 270 403 841 1,800 905 539 457 366 302 264
17 247 240 273 404 907 1,870 882 530 456 360 304 262
18 244 241 276 408 951 1,880 841 516 462 356 301 265
19 248 241 277 418 1,020 1,890 814 509 460 352 297 262
20 255 242 279 427 1,080 1,910 782 525 454 349 298 265
21 251 241 283 437 1,120 1,910 768 520 449 350 299 270
22 246 243 287 453 1,140 1,890 764 517 450 346 297 266
23 241 242 291 468 1,160 1,810 736 512 447 345 295 256
24 245 241 294 481 1,190 1,760 728 510 441 339 292 253
25 247 241 296 486 1,180 1,730 738 503 433 337 288 263
26 245 240 298 483 1,180 1,720 732 498 426 343 286 262
27 240 242 305 487 1,210 1,690 702 504 418 339 283 257
28 240 242 302 495 1,320 1,650 690 500 418 336 287 255
29 240 265 303 509 1,460 1,630 684 495 417 332 284 257
30 241   303 533 1,530 1,630 656 486 416 330 279 259
31 240   300   1,520   646 478   330   257