MEDIAN FLOW RATE · 1 YEAR
15,718cfs 40.0% vs avg
Optimal band: 5,448–7,370 cfs
PERIOD HIGH
55,092cfs
PERIOD LOW
1,348cfs
RUNNABLE
15%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.1in
≈ normal
20.11 in of precipitation so far this year — about average for this point in the season (normal 20.51 in).
YTD Total
20.1in
This year so far
Normal to Date
20.5in
30-yr average
Typical Range
15.9–24.6in
10th–90th pct YTD
Departure
-2%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.34" · normal 3.40" (1.9–5.1)
Feb: 1.59" · normal 3.03" (1.8–4.3)
Mar: 4.85" · normal 3.99" (2.2–6.1)
Apr: 2.37" · normal 3.74" (2.0–6.1)
May: 4.19" · normal 3.27" (1.7–4.7)
Jun: 3.76" (so far)· normal 3.55" (1.8–5.8)
Jul: normal 3.32" (1.3–4.9)
Aug: normal 3.43" (1.7–5.4)
Sep: normal 3.89" (1.6–6.4)
Oct: normal 4.37" (1.5–7.9)
Nov: normal 3.32" (1.4–4.8)
Dec: normal 4.12" (2.3–5.9)
Baseline 1991–2020 · Source: Open-Meteo03:42 PM
Your History · CONNECTICUT R AT I-391 BRIDGE AT HOLYOKE, MA
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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
64°
SAT
85°
66°
SUN
87°
63°
MON
87°
59°
TUE
93°
59°
WED
90°
62°
THU
96°
68°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:15 AM
SUNSET
08:30 PM
15H 15M OF DAYLIGHT3H 18M REMAINING
MOON PHASE
Waxing Gibbous
88% illuminated
Station Location
42.1915, -72.6093Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 17:12 UTC
Site #01172010·USGS
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