MEDIAN FLOW RATE · 1 YEAR
71cfs 39.5% vs avg
Optimal band: 145–195 cfs
PERIOD HIGH
1,938cfs
PERIOD LOW
21cfs
RUNNABLE
24%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.9in
≈ normal
21.93 in of precipitation so far this year — about average for this point in the season (normal 21.77 in).
YTD Total
21.9in
This year so far
Normal to Date
21.8in
30-yr average
Typical Range
17.3–25.9in
10th–90th pct YTD
Departure
+1%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.18" · normal 3.50" (2.2–5.6)
Feb: 2.37" · normal 3.09" (1.7–4.6)
Mar: 5.59" · normal 4.16" (2.1–6.6)
Apr: 2.95" · normal 3.72" (2.0–6.0)
May: 4.07" · normal 3.21" (2.0–4.3)
Jun: 3.75" · normal 3.83" (1.8–6.7)
Jul: 0.02" (so far)· normal 3.58" (1.7–6.3)
Aug: normal 4.07" (2.4–7.0)
Sep: normal 3.88" (1.4–7.2)
Oct: normal 4.10" (1.2–6.8)
Nov: normal 3.50" (1.7–4.8)
Dec: normal 4.20" (2.2–6.8)
Baseline 1991–2020 · Source: Open-Meteo07:10 AM
Your History · NATCHAUG RIVER AT WILLIMANTIC, CT
Track your history
Sign in to track your sessions at NATCHAUG RIVER AT WILLIMANTIC, CT — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
97°
78°
SAT
95°
74°
SUN
87°
61°
MON
84°
62°
TUE
72°
60°
WED
85°
59°
THU
90°
63°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
08:26 PM
15H 7M OF DAYLIGHT11H 9M REMAINING
MOON PHASE
Waning Gibbous
88% illuminated
Station Location
41.7201, -72.1956Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 09:17 UTC
Site #01122000·USGS
Create a free account to save favorites, set flow alerts, and track conditions