MEDIAN FLOW RATE · 7 DAY
44cfs 103.7% vs avg
Optimal band: 3–3 cfs
PERIOD HIGH
44cfs
PERIOD LOW
2cfs
RUNNABLE
50%
last 7 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.9in
≈ normal
20.87 in of precipitation so far this year — about average for this point in the season (normal 21.63 in).
YTD Total
20.9in
This year so far
Normal to Date
21.6in
30-yr average
Typical Range
16.4–26.3in
10th–90th pct YTD
Departure
-3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.20" · normal 3.36" (1.7–5.0)
Feb: 2.37" · normal 3.03" (1.7–4.5)
Mar: 4.75" · normal 4.23" (2.3–6.3)
Apr: 2.34" · normal 3.69" (1.9–5.9)
May: 2.79" · normal 3.04" (1.4–4.6)
Jun: 3.25" · normal 3.61" (1.5–6.2)
Jul: 2.17" (so far)· normal 3.11" (1.6–5.1)
Aug: normal 3.47" (1.4–5.9)
Sep: normal 3.55" (1.6–7.0)
Oct: normal 3.85" (1.3–6.2)
Nov: normal 3.40" (1.8–4.9)
Dec: normal 4.16" (2.3–6.7)
Baseline 1991–2020 · Source: Open-Meteo01:33 AM
Your History · SUDBURY RIVER AT ASHLAND, MA
Track your history
Sign in to track your sessions at SUDBURY RIVER AT ASHLAND, MA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
67°
62°
WED
85°
59°
THU
89°
69°
FRI
89°
67°
SAT
83°
59°
SUN
85°
57°
MON
85°
61°
FISH INDEX
Temperature
Ideal
Wind
Moderate
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:16 AM
SUNSET
08:24 PM
15H 8M OF DAYLIGHT
MOON PHASE
Last Quarter
43% illuminated
Station Location
42.2600, -71.4564Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #01097480·USGS
Create a free account to save favorites, set flow alerts, and track conditions
