Cass River
River in Michigan, read from 3 USGS gauges, draining about 841 square miles. Figures refresh every fifteen minutes.
Discharge
72.4
cfs · 30 min ago
Normal for today
81.0
cfs median, 89 yrs
Water temp
—
not measured here
Gage height
3.62
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 81.0 cfs over 89 years of record, with the middle half of years falling between 48.0 and 173 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 Cass River
Cass River does not have its own verified chart yet. This calendar is combined from the verified charts on Au Sable River (88 mi), Huron River (94 mi), South Branch Au Sable River (95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hendrickson | January: absent | February: absent | March: absent | April: peak | May: peak | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hex | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: peak | August: active | September: active | October: absent | November: absent | December: absent |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | 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 |
| Blue-Winged Olive | January: absent | February: absent | March: absent | April: peak | May: active | June: active | July: active | August: active | September: active | October: peak | November: active | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: peak | August: active | September: active | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: peak | October: absent | November: absent | December: absent |
| White Fly | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: active | October: absent | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: absent | February: absent | March: absent | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Cass 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.