Patuxent River
River in Maryland, read from 4 USGS gauges, draining about 348 square miles. Figures refresh every fifteen minutes.
Discharge
119
cfs · 1h ago
Normal for today
128
cfs median, 49 yrs
Water temp
70
°F · 3286d ago
Gage height
4.21
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 128 cfs over 49 years of record, with the middle half of years falling between 106 and 198 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 Patuxent River
Patuxent River does not have its own verified chart yet. This calendar is combined from the verified charts on Susquehanna River (71 mi), Juniata River (86 mi), Tulpehocken Creek (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: active | August: active | September: active | October: active | November: absent | December: absent |
| Crayfish | January: absent | February: absent | March: absent | April: active | May: active | June: peak | July: peak | August: peak | September: active | October: active | November: absent | December: absent |
| Damselfly | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Grasshopper | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: peak | October: active | November: absent | December: absent |
| Hellgrammite | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: active | September: active | October: absent | November: absent | December: absent |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Sculpin | January: absent | February: absent | March: active | April: active | May: active | June: active | July: active | August: active | September: peak | October: peak | November: active | December: absent |
| White Fly | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: peak | August: peak | September: absent | October: absent | November: absent | December: absent |
| Blue-Winged Olive | January: absent | February: absent | March: active | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
| Little Black Stonefly | 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: active | April: absent | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: active | December: peak |
| Sulphur | January: absent | February: absent | March: absent | April: active | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Patuxent 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.