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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 -> 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
1 252 249 248 301 550 1,580 1,620 635 477 419 332 286
2 254 245 246 306 567 1,640 1,560 627 474 423 331 283
3 250 244 244 312 571 1,710 1,500 621 472 421 334 280
4 271 241 246 313 586 1,740 1,410 612 467 418 330 276
5 260 240 244 325 596 1,840 1,360 619 467 412 330 274
6 254 243 245 330 616 1,950 1,360 611 466 413 323 272
7 252 241 249 331 640 2,050 1,280 596 467 406 319 273
8 253 245 247 346 662 2,070 1,230 590 465 399 323 272
9 253 243 245 356 664 2,090 1,210 571 466 401 319 270
10 251 242 250 365 677 2,070 1,160 570 471 400 314 262
11 247 246 249 368 703 2,020 1,100 570 467 394 311 270
12 247 242 261 376 718 1,990 1,060 560 462 394 308 272
13 247 247 264 383 724 1,910 1,010 548 460 389 306 274
14 247 249 266 390 750 1,860 973 538 456 386 313 273
15 245 245 269 399 784 1,810 942 540 459 380 307 268
16 250 242 272 403 841 1,800 905 539 457 366 304 265
17 246 242 275 404 907 1,870 882 530 456 361 305 264
18 245 243 278 408 951 1,880 841 516 462 358 302 266
19 246 243 279 418 1,020 1,890 814 509 460 353 299 263
20 254 243 281 427 1,080 1,910 782 525 454 350 298 266
21 249 243 287 437 1,120 1,910 768 520 449 352 301 271
22 244 245 290 453 1,140 1,890 764 517 450 348 299 268
23 241 243 294 468 1,160 1,810 736 512 447 347 297 258
24 246 243 297 481 1,190 1,760 728 510 441 342 294 255
25 250 243 300 486 1,180 1,730 738 503 433 339 291 265
26 247 242 298 483 1,180 1,720 732 498 426 344 289 263
27 242 244 305 487 1,210 1,690 702 504 418 339 287 258
28 241 243 302 495 1,320 1,650 690 500 418 336 290 256
29 241 265 303 509 1,460 1,630 684 495 417 335 285 259
30 242   303 533 1,530 1,630 656 486 416 332 281 261
31 241   300   1,520   646 478   332   258