Colorado River (lower Colorado)
River in Colorado, read from its USGS gauge, draining about 8,813 square miles. Figures refresh every fifteen minutes.
Discharge
203
cfs · 29 min ago
Normal for today
1,130
cfs median, 36 yrs
Water temp
—
not measured here
Gage height
2.83
ft
Reading the number
On this date the gauge has averaged 1,130 cfs over 36 years of record, with the middle half of years falling between 817 and 1,500 cfs. Today is below that band: lower, clearer and, in summer, warmer water than a typical October day here.
Regional hatch calendar
What is likely hatching near Colorado River (lower Colorado)
Colorado River (lower Colorado) does not have its own verified chart yet. This calendar is combined from the verified charts on Gunnison River (55 mi), Roaring Fork River (63 mi), Dolores River (79 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 (lower Colorado)
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.