MEDIAN FLOW RATE · 30 DAY
17,469cfs 32.7% vs avg
Optimal band: 12,907–17,463 cfs
PERIOD HIGH
27,749cfs
PERIOD LOW
9,413cfs
RUNNABLE
26%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.6in
≈ normal
19.56 in of precipitation so far this year — about average for this point in the season (normal 20.66 in).
YTD Total
19.6in
This year so far
Normal to Date
20.7in
30-yr average
Typical Range
15.8–24.3in
10th–90th pct YTD
Departure
-5%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.91" · normal 3.43" (1.9–5.2)
Feb: 1.93" · normal 3.03" (1.7–4.5)
Mar: 5.59" · normal 4.01" (2.1–6.3)
Apr: 2.58" · normal 3.67" (2.0–5.7)
May: 3.45" · normal 3.30" (2.0–4.9)
Jun: 3.10" (so far)· normal 3.70" (1.9–6.1)
Jul: normal 3.34" (1.5–5.0)
Aug: normal 3.67" (1.9–6.0)
Sep: normal 3.86" (1.3–6.6)
Oct: normal 4.24" (1.3–7.1)
Nov: normal 3.35" (1.4–4.8)
Dec: normal 4.09" (2.3–6.4)
Baseline 1991–2020 · Source: Open-Meteo03:42 PM
Your History · CONNECTICUT RIVER AT THOMPSONVILLE, CT
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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
65°
SAT
83°
67°
SUN
88°
62°
MON
88°
59°
TUE
92°
60°
WED
90°
62°
THU
97°
68°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:16 AM
SUNSET
08:30 PM
15H 14M OF DAYLIGHT3H 19M REMAINING
MOON PHASE
Waxing Gibbous
88% illuminated
Station Location
41.9873, -72.6054Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 17:11 UTC
Site #01184000·USGS
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