Mattole River
River in California, read from 2 USGS gauges, draining about 245 square miles. Figures refresh every fifteen minutes.
Discharge
14.0
cfs · 32 min ago
Normal for today
37.0
cfs median, 78 yrs
Water temp
—
not measured here
Gage height
11.02
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 37.0 cfs over 78 years of record, with the middle half of years falling between 25.0 and 95.0 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 Mattole River
Mattole River does not have its own verified chart yet. This calendar is combined from the verified charts on Trinity River (75 mi), Klamath River (84 mi), Sacramento River (87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coho | January: active | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: active | October: active | November: peak | December: peak |
| Fall Chinook | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: peak | September: peak | October: peak | November: peak | December: active |
| 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 |
| Half-Pounder Steelhead | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: peak | October: peak | November: active | December: absent |
| Spring Chinook | January: absent | February: absent | March: absent | April: active | May: active | June: peak | July: peak | August: active | September: active | October: absent | November: absent | December: absent |
| Summer Steelhead | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: active | September: active | October: peak | November: peak | December: active |
| Winter Steelhead | January: peak | February: peak | March: active | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: active | December: peak |
| Blue-Winged Olive | January: peak | February: peak | March: peak | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: peak | December: peak |
| Caddis | January: absent | February: absent | March: active | April: peak | May: peak | June: peak | July: peak | August: peak | September: peak | October: active | November: active | December: absent |
| March Brown | January: absent | February: absent | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | 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: active | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Mattole 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.