Colorado River
River in Arizona, read from 4 USGS gauges, draining about 147,931 square miles. Figures refresh every fifteen minutes.
Discharge
19,600
cfs · 11125d ago
Normal for today
9,630
cfs median, 6 yrs
Water temp
69
°F · 53 min ago
Gage height
—
not measured here
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 9,630 cfs over 6 years of record, with the middle half of years falling between 8,110 and 17,200 cfs. Today is above that band, so expect more push and colour than a typical October day here.
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 Colorado River Lees Ferry (0 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: active | June: absent | July: absent | August: absent | September: absent | October: active | November: peak | December: active |
| Cicada | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| Midge | January: peak | February: peak | March: peak | April: peak | May: peak | June: peak | July: peak | August: peak | September: peak | October: peak | November: peak | December: peak |
| Scud | January: active | February: active | March: active | April: active | May: active | June: active | July: active | August: active | September: active | October: active | November: active | December: active |
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.