Monongahela River
River in Pennsylvania, read from 2 USGS gauges, draining about 7,337 square miles. Figures refresh every fifteen minutes.
Discharge
12,800
cfs · 8231d ago
Normal for today
2,950
cfs median, 67 yrs
Water temp
62
°F · 13h ago
Gage height
14.38
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 2,950 cfs over 67 years of record, with the middle half of years falling between 2,220 and 5,100 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 Monongahela River
Monongahela River does not have its own verified chart yet. This calendar is combined from the verified charts on Youghiogheny River (23 mi), Elk River (90 mi), Clarion River (111 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: absent | February: absent | March: peak | April: peak | May: active | June: active | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: active | August: active | September: active | October: peak | November: active | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: active | May: peak | June: active | 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 |
| 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 |
| Little Black Stonefly | January: peak | February: peak | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: active | December: peak |
| Midge | January: peak | February: peak | March: active | April: active | May: active | June: active | July: active | August: active | September: active | October: active | November: peak | December: peak |
| Quill Gordon | January: absent | February: absent | March: absent | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Grannom | January: absent | February: absent | March: absent | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: absent | April: peak | May: active | June: absent | July: absent | 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: peak | September: peak | October: absent | November: absent | December: absent |
Reports
From anglers on Monongahela 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.