Colorado River
River in Utah, read from 3 USGS gauges, draining about 71,200 square miles. Figures refresh every fifteen minutes.
Discharge
4,610
cfs · 23 min ago
Normal for today
4,990
cfs median, 3 yrs
Water temp
69
°F · 23 min ago
Gage height
26.88
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 4,990 cfs over 3 years of record, with the middle half of years falling between 4,520 and 6,320 cfs. Today sits inside that band, which is as close to a normal October day as the gauge can tell you.
Regional hatch calendar
What is likely hatching near Colorado River
Colorado River does not have its own verified chart yet. This calendar is combined from the verified charts on Dolores River (57 mi), Gunnison River (91 mi), Roaring Fork River (117 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue-Winged Olive | January: active | February: active | March: peak | April: peak | May: peak | June: active | July: absent | August: absent | September: active | October: peak | November: peak | December: active |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Midge | January: peak | February: peak | March: peak | April: peak | May: active | June: active | July: active | August: active | September: active | October: peak | November: peak | December: peak |
| Pale Morning Dun | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| Grasshopper | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Sculpin | January: active | February: active | March: active | April: active | May: active | June: active | July: active | August: active | September: active | October: active | November: active | December: active |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: peak | October: active | November: absent | December: absent |
| Trico | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
Reports
From anglers on Colorado River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.