MEDIAN FLOW RATE · 1 YEAR
5cfs 57.4% vs avg
Optimal band: 4–6 cfs
PERIOD HIGH
70cfs
PERIOD LOW
1cfs
RUNNABLE
34%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.6in
≈ normal
19.63 in of precipitation so far this year — about average for this point in the season (normal 21.09 in).
YTD Total
19.6in
This year so far
Normal to Date
21.1in
30-yr average
Typical Range
15.9–25.7in
10th–90th pct YTD
Departure
-7%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.19" · normal 3.23" (1.8–4.7)
Feb: 1.93" · normal 3.03" (1.8–4.4)
Mar: 3.56" · normal 4.16" (2.4–6.1)
Apr: 2.33" · normal 3.72" (2.0–5.8)
May: 4.91" · normal 3.09" (1.6–4.6)
Jun: 3.65" · normal 3.61" (1.4–5.6)
Jul: 0.05" (so far)· normal 3.14" (1.7–4.5)
Aug: normal 3.48" (1.6–5.6)
Sep: normal 3.49" (1.4–6.7)
Oct: normal 3.86" (1.3–6.6)
Nov: normal 3.36" (1.6–4.9)
Dec: normal 4.10" (2.5–6.0)
Baseline 1991–2020 · Source: Open-Meteo07:05 AM
Your History · NASHOBA BROOK NEAR ACTON, MA
Track your history
Sign in to track your sessions at NASHOBA BROOK NEAR ACTON, MA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
95°
78°
SAT
92°
75°
SUN
89°
63°
MON
85°
61°
TUE
67°
58°
WED
80°
58°
THU
90°
61°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:13 AM
SUNSET
08:26 PM
15H 13M OF DAYLIGHT11H 0M REMAINING
MOON PHASE
Waning Gibbous
88% illuminated
Station Location
42.5126, -71.4042Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 09:26 UTC
Site #01097300·USGS
Create a free account to save favorites, set flow alerts, and track conditions