Rock River
River in Wisconsin, read from 7 USGS gauges, draining about 3,340 square miles. Figures refresh every fifteen minutes.
Discharge
3,320
cfs · 53 min ago
Normal for today
1,180
cfs median, 112 yrs
Water temp
—
not measured here
Gage height
6.07
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 1,180 cfs over 112 years of record, with the middle half of years falling between 598 and 2,030 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 Rock River
Rock River does not have its own verified chart yet. This calendar is combined from the verified charts on Black Earth Creek (59 mi), Wolf River (120 mi), Manistee River (145 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 |
| 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: absent | July: peak | August: peak | September: peak | October: active | November: absent | December: absent |
| Blue-Winged Olive | January: absent | February: absent | March: active | April: peak | May: active | June: active | July: active | August: active | September: peak | October: peak | November: absent | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | 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: absent | October: absent | November: absent | December: absent |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: active | August: active | September: active | October: absent | November: absent | December: absent |
| Chinook Salmon | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: peak | October: peak | November: absent | December: absent |
| Coho Salmon | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
Reports
From anglers on Rock 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.