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Hydrograph River at a Glance Download
Blue River (CO) at Dillon Reservoir Inflow Discharge (cfs)Forecast: 265 cfs 5:00PM Apr 30, 2024Forecast: 278 cfs 6:00PM Apr 30, 2024Forecast: 287 cfs 7:00PM Apr 30, 2024Forecast: 297 cfs 8:00PM Apr 30, 2024Forecast: 307 cfs 9:00PM Apr 30, 2024Forecast: 317 cfs 10:00PM Apr 30, 2024Forecast: 327 cfs 11:00PM Apr 30, 2024Forecast: 333 cfs 12:00AM May 01, 2024Forecast: 336 cfs 1:00AM May 01, 2024Forecast: 339 cfs 2:00AM May 01, 2024Forecast: 343 cfs 3:00AM May 01, 2024Forecast: 347 cfs 4:00AM May 01, 2024Forecast: 351 cfs 5:00AM May 01, 2024Forecast: 342 cfs 6:00AM May 01, 2024Forecast: 334 cfs 7:00AM May 01, 2024Forecast: 327 cfs 8:00AM May 01, 2024Forecast: 318 cfs 9:00AM May 01, 2024Forecast: 309 cfs 10:00AM May 01, 2024Forecast: 301 cfs 11:00AM May 01, 2024Forecast: 296 cfs 12:00PM May 01, 2024Forecast: 294 cfs 1:00PM May 01, 2024Forecast: 292 cfs 2:00PM May 01, 2024Forecast: 289 cfs 3:00PM May 01, 2024Forecast: 287 cfs 4:00PM May 01, 2024Forecast: 284 cfs 5:00PM May 01, 2024Forecast: 295 cfs 6:00PM May 01, 2024Forecast: 307 cfs 7:00PM May 01, 2024Forecast: 319 cfs 8:00PM May 01, 2024Forecast: 331 cfs 9:00PM May 01, 2024Forecast: 344 cfs 10:00PM May 01, 2024Forecast: 356 cfs 11:00PM May 01, 2024Forecast: 367 cfs 12:00AM May 02, 2024Forecast: 372 cfs 1:00AM May 02, 2024Forecast: 376 cfs 2:00AM May 02, 2024Forecast: 382 cfs 3:00AM May 02, 2024Forecast: 387 cfs 4:00AM May 02, 2024Forecast: 393 cfs 5:00AM May 02, 2024Forecast: 381 cfs 6:00AM May 02, 2024Forecast: 370 cfs 7:00AM May 02, 2024Forecast: 360 cfs 8:00AM May 02, 2024Forecast: 349 cfs 9:00AM May 02, 2024Forecast: 338 cfs 10:00AM May 02, 2024Forecast: 327 cfs 11:00AM May 02, 2024Forecast: 320 cfs 12:00PM May 02, 2024Forecast: 313 cfs 1:00PM May 02, 2024Forecast: 307 cfs 2:00PM May 02, 2024Forecast: 300 cfs 3:00PM May 02, 2024Forecast: 292 cfs 4:00PM May 02, 2024Forecast: 285 cfs 5:00PM May 02, 2024Forecast: 281 cfs 6:00PM May 02, 2024Forecast: 278 cfs 7:00PM May 02, 2024Forecast: 275 cfs 8:00PM May 02, 2024Forecast: 272 cfs 9:00PM May 02, 2024Forecast: 270 cfs 10:00PM May 02, 2024Forecast: 267 cfs 11:00PM May 02, 2024Forecast: 268 cfs 12:00AM May 03, 2024Forecast: 269 cfs 1:00AM May 03, 2024Forecast: 269 cfs 2:00AM May 03, 2024Forecast: 270 cfs 3:00AM May 03, 2024Forecast: 270 cfs 4:00AM May 03, 2024Forecast: 271 cfs 5:00AM May 03, 2024Forecast: 268 cfs 6:00AM May 03, 2024Forecast: 266 cfs 7:00AM May 03, 2024Forecast: 264 cfs 8:00AM May 03, 2024Forecast: 261 cfs 9:00AM May 03, 2024Forecast: 259 cfs 10:00AM May 03, 2024Forecast: 257 cfs 11:00AM May 03, 2024Forecast: 255 cfs 12:00PM May 03, 2024Forecast: 254 cfs 1:00PM May 03, 2024Forecast: 253 cfs 2:00PM May 03, 2024Forecast: 252 cfs 3:00PM May 03, 2024Forecast: 251 cfs 4:00PM May 03, 2024Forecast: 249 cfs 5:00PM May 03, 2024Forecast: 251 cfs 6:00PM May 03, 2024Forecast: 254 cfs 7:00PM May 03, 2024Forecast: 256 cfs 8:00PM May 03, 2024Forecast: 259 cfs 9:00PM May 03, 2024Forecast: 262 cfs 10:00PM May 03, 2024Forecast: 265 cfs 11:00PM May 03, 2024Forecast: 271 cfs 12:00AM May 04, 2024Forecast: 277 cfs 1:00AM May 04, 2024Forecast: 283 cfs 2:00AM May 04, 2024Forecast: 289 cfs 3:00AM May 04, 2024Forecast: 295 cfs 4:00AM May 04, 2024Forecast: 301 cfs 5:00AM May 04, 2024Forecast: 295 cfs 6:00AM May 04, 2024Forecast: 289 cfs 7:00AM May 04, 2024Forecast: 282 cfs 8:00AM May 04, 2024Forecast: 276 cfs 9:00AM May 04, 2024Forecast: 269 cfs 10:00AM May 04, 2024Forecast: 263 cfs 11:00AM May 04, 2024Forecast: 261 cfs 12:00PM May 04, 2024Forecast: 261 cfs 1:00PM May 04, 2024Forecast: 260 cfs 2:00PM May 04, 2024Forecast: 259 cfs 3:00PM May 04, 2024Forecast: 258 cfs 4:00PM May 04, 2024Forecast: 257 cfs 5:00PM May 04, 2024Forecast: 263 cfs 6:00PM May 04, 2024Forecast: 270 cfs 7:00PM May 04, 2024Forecast: 277 cfs 8:00PM May 04, 2024Forecast: 284 cfs 9:00PM May 04, 2024Forecast: 291 cfs 10:00PM May 04, 2024Forecast: 298 cfs 11:00PM May 04, 2024Forecast: 309 cfs 12:00AM May 05, 2024Forecast: 318 cfs 1:00AM May 05, 2024Forecast: 326 cfs 2:00AM May 05, 2024Forecast: 335 cfs 3:00AM May 05, 2024Forecast: 345 cfs 4:00AM May 05, 2024Forecast: 354 cfs 5:00AM May 05, 2024Forecast: 349 cfs 6:00AM May 05, 2024Forecast: 345 cfs 7:00AM May 05, 2024Forecast: 340 cfs 8:00AM May 05, 2024Forecast: 334 cfs 9:00AM May 05, 2024Forecast: 328 cfs 10:00AM May 05, 2024Forecast: 323 cfs 11:00AM May 05, 2024Forecast: 318 cfs 12:00PM May 05, 2024Forecast: 317 cfs 1:00PM May 05, 2024Forecast: 316 cfs 2:00PM May 05, 2024Forecast: 315 cfs 3:00PM May 05, 2024Forecast: 313 cfs 4:00PM May 05, 2024Forecast: 312 cfs 5:00PM May 05, 2024Forecast: 332 cfs 6:00PM May 05, 2024Forecast: 352 cfs 7:00PM May 05, 2024Forecast: 372 cfs 8:00PM May 05, 2024Forecast: 394 cfs 9:00PM May 05, 2024Forecast: 416 cfs 10:00PM May 05, 2024Forecast: 437 cfs 11:00PM May 05, 2024Forecast: 460 cfs 12:00AM May 06, 2024Forecast: 477 cfs 1:00AM May 06, 2024Forecast: 493 cfs 2:00AM May 06, 2024Forecast: 511 cfs 3:00AM May 06, 2024Forecast: 529 cfs 4:00AM May 06, 2024Highest Forecast: 547 cfs 5:00AM May 06, 2024Forecast: 536 cfs 6:00AM May 06, 2024Forecast: 525 cfs 7:00AM May 06, 2024Forecast: 514 cfs 8:00AM May 06, 2024Forecast: 502 cfs 9:00AM May 06, 2024Forecast: 489 cfs 10:00AM May 06, 2024Forecast: 477 cfs 11:00AM May 06, 2024Forecast: 463 cfs 12:00PM May 06, 2024Forecast: 452 cfs 1:00PM May 06, 2024Forecast: 441 cfs 2:00PM May 06, 2024Forecast: 428 cfs 3:00PM May 06, 2024Forecast: 415 cfs 4:00PM May 06, 2024Forecast: 402 cfs 5:00PM May 06, 2024Forecast: 416 cfs 6:00PM May 06, 2024Forecast: 429 cfs 7:00PM May 06, 2024Forecast: 442 cfs 8:00PM May 06, 2024Forecast: 457 cfs 9:00PM May 06, 2024Forecast: 472 cfs 10:00PM May 06, 2024Forecast: 486 cfs 11:00PM May 06, 2024Forecast: 496 cfs 12:00AM May 07, 2024Forecast: 503 cfs 1:00AM May 07, 2024Forecast: 510 cfs 2:00AM May 07, 2024Forecast: 518 cfs 3:00AM May 07, 2024Forecast: 527 cfs 4:00AM May 07, 2024Forecast: 535 cfs 5:00AM May 07, 2024Forecast: 522 cfs 6:00AM May 07, 2024Forecast: 510 cfs 7:00AM May 07, 2024Forecast: 497 cfs 8:00AM May 07, 2024Forecast: 483 cfs 9:00AM May 07, 2024Forecast: 469 cfs 10:00AM May 07, 2024Forecast: 454 cfs 11:00AM May 07, 2024DIRC2(plotting QIIRZ) Graph Created (4:00PM Apr 30, 2024)Forecast (issued 9:00AM Apr 30)
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Blue River (CO) at Dillon Reservoir are issued routinely year-round.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - below Dillon
Flood Categories (in KCFS)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:12
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 39.603800° N, Longitude: 106.011600° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS flow Not Available Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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Page last modified: 2-Nov-2020 7:28 PM
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