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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
1 252 249 248 306 546 1,570 1,580 635 477 419 332 286
2 254 245 246 310 561 1,630 1,530 627 474 423 331 283
3 250 244 244 316 566 1,700 1,470 621 472 421 334 280
4 271 241 246 316 581 1,730 1,380 612 467 418 330 276
5 260 240 244 328 591 1,820 1,340 619 467 412 330 274
6 254 243 245 333 609 1,930 1,340 611 466 413 323 272
7 252 241 249 333 630 2,020 1,260 596 467 406 319 273
8 253 245 247 347 649 2,030 1,210 590 465 399 323 272
9 253 243 245 358 652 2,060 1,190 571 466 401 319 270
10 251 242 250 367 664 2,040 1,140 570 471 400 314 262
11 247 246 249 371 691 1,990 1,080 570 467 394 311 270
12 247 242 261 380 709 1,960 1,040 560 462 394 308 272
13 247 247 264 387 718 1,890 999 548 460 389 306 274
14 247 249 266 395 744 1,840 959 538 456 386 313 273
15 245 245 269 404 774 1,790 928 540 459 380 307 268
16 250 242 272 408 828 1,780 893 539 457 366 304 265
17 246 242 275 409 890 1,850 871 530 456 361 305 264
18 245 243 278 414 931 1,850 831 516 462 358 302 266
19 246 243 279 423 997 1,860 805 509 460 353 299 263
20 254 243 281 430 1,050 1,880 773 525 454 350 298 266
21 249 243 287 439 1,090 1,880 760 520 449 352 301 271
22 244 245 290 454 1,110 1,850 755 517 450 348 299 268
23 241 243 294 466 1,130 1,770 728 512 447 347 297 258
24 246 243 297 478 1,160 1,730 728 510 441 342 294 255
25 250 243 300 484 1,170 1,690 738 503 433 339 291 265
26 247 242 302 482 1,160 1,690 732 498 426 344 289 263
27 242 244 310 488 1,190 1,650 702 504 418 339 287 258
28 241 243 309 494 1,300 1,620 690 500 418 336 290 256
29 241 265 310 507 1,430 1,590 684 495 417 335 285 259
30 242   309 530 1,510 1,600 656 486 416 332 281 261
31 241   306   1,500   646 478   332   258