Total streamflow across the
Ashuelot River
was last observed at
493
cfs, and is expected to yield approximately
978
acre-ft of water today; about 21%
of normal.
River levels are low and may signify a drought.
Average streamflow for this time of year is
2,399 cfs,
with recent peaks last observed
on
2021-07-20 when daily discharge volume was observed at
11,380 cfs.
Maximum discharge along the river is currently at the
Ashuelot River At Hinsdale
reporting a streamflow rate of 232 cfs.
However, the streamgauge with the highest stage along the river is the
Ashuelot River Above The Branch
with a gauge stage of 65.13 ft.
This river is monitored from 5 different streamgauging stations along the Ashuelot River, the highest being situated at an altitude of 810 ft, the
Ashuelot River Near Gilsum.
| Last Updated | 2025-12-04 |
| Discharge Volume | 978 ACRE-FT |
| Streamflow |
493.2 cfs
-24.8 cfs (-4.79%) |
| Percent of Normal | 20.56% |
| Maximum |
11,380.0 cfs
2021-07-20 |
| Seasonal Avg | 2,399 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Ashuelot River Near Gilsum
USGS 01157000 |
21 cfs | 1.99 ft | -24.26 | |||||
|
Ashuelot River Below Surry Mt Dam
USGS 01158000 |
61 cfs | 5.26 ft | -1.94 | |||||
|
Ashuelot River Above The Branch
USGS 01158110 |
21 cfs | 65.13 ft | -43.4 | |||||
|
Ashuelot River At West Swanzey
USGS 01160350 |
180 cfs | 5.74 ft | -3.74 | |||||
|
Ashuelot River At Hinsdale
USGS 01161000 |
232 cfs | 3.73 ft | -4.13 |
The Ashuelot River is a tributary of the Connecticut River, approximately 64 miles (103 km) long, in southwestern New Hampshire in the United States. It drains a mountainous area of 425 square miles (1,101 km2), including much of the area known as the Monadnock Region. It is the longest tributary of the Connecticut River within New Hampshire.