Delaware River
River in New Jersey, read from 4 USGS gauges, draining about 6,780 square miles. Figures refresh every fifteen minutes.
Discharge
2,640
cfs · 49 min ago
Normal for today
4,320
cfs median, 113 yrs
Water temp
63
°F · 1h ago
Gage height
8.27
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 4,320 cfs over 113 years of record, with the middle half of years falling between 3,110 and 7,930 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 Delaware River
Delaware River does not have its own verified chart yet. This calendar is combined from the verified charts on Brodhead Creek (8 mi), Lehigh River (35 mi), Little Lehigh Creek (36 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: active | April: peak | May: peak | June: active | July: active | August: active | September: active | October: peak | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: peak | May: peak | June: peak | July: active | August: active | September: active | October: active | November: absent | December: absent |
| 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 |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: active | February: peak | March: peak | April: peak | May: absent | 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: absent | August: absent | September: active | October: active | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | 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 |
| Trico | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: active | September: peak | October: active | November: absent | December: absent |
| 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 |
Reports
From anglers on Delaware 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.