Charles River
River in Massachusetts, read from 4 USGS gauges, draining about 251 square miles. Figures refresh every fifteen minutes.
Discharge
107
cfs · 15 min ago
Normal for today
81.0
cfs median, 95 yrs
Water temp
—
not measured here
Gage height
1.26
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 81.0 cfs over 95 years of record, with the middle half of years falling between 45.0 and 201 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 Charles River
Charles River does not have its own verified chart yet. This calendar is combined from the verified charts on Millers River (62 mi), West Branch Farmington River (84 mi), Housatonic River (102 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: active | June: active | July: active | August: active | September: peak | 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: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: active | 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: absent | June: peak | July: active | August: active | September: active | 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: active | August: peak | September: peak | October: active | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: active | September: peak | October: peak | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Alder Fly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | 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 Charles 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.