MEDIAN FLOW RATE · 1 YEAR
643cfs 54.9% vs avg
Optimal band: 230–312 cfs
PERIOD HIGH
3,045cfs
PERIOD LOW
46cfs
RUNNABLE
19%
last 1 year in band
Precipitation History
Your History · CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH
Track your history
Sign in to track your sessions at CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
83°
60°
MON
82°
63°
TUE
91°
62°
WED
88°
64°
THU
98°
63°
FRI
101°
71°
SAT
96°
71°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:09 AM
SUNSET
08:31 PM
15H 22M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY
Station Location
43.1929, -71.7473Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 21:45 UTC
Site #01085500·USGS
Create a free account to save favorites, set flow alerts, and track conditions
