Black River
River in Ohio, read from its USGS gauge, draining about 396 square miles. Figures refresh every fifteen minutes.
Discharge
5.6
cfs · 20 min ago
Normal for today
17.0
cfs median, 82 yrs
Water temp
74
°F · 767d ago
Gage height
0.54
ft
Reading the number
On this date the gauge has averaged 17.0 cfs over 82 years of record, with the middle half of years falling between 9.4 and 45.0 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 Black River
Black River does not have its own verified chart yet. This calendar is combined from the verified charts on Grand River (51 mi), Huron River (105 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Caddis | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: active | September: active | October: absent | November: absent | December: absent |
| Egg Patterns | January: active | February: active | March: peak | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: peak |
| Hendrickson | January: absent | February: absent | March: absent | April: active | May: active | 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: absent | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Lake-Run Smallmouth | January: absent | February: absent | March: absent | April: peak | May: peak | June: active | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: active | February: active | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Minnow Patterns | January: active | February: active | March: active | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: active |
| Smallmouth Bass | January: absent | February: absent | March: peak | April: peak | May: peak | June: peak | July: active | August: active | September: absent | October: absent | November: active | December: active |
| Steelhead Run | January: active | February: active | March: peak | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: active | November: peak | December: peak |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | 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 Black 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.