MEDIAN FLOW RATE · 30 DAY
0cfs 87.0% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
2cfs
PERIOD LOW
1cfs
RUNNABLE
67%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
17.7in
≈ normal
17.69 in of precipitation so far this year — about average for this point in the season (normal 20.49 in).
YTD Total
17.7in
This year so far
Normal to Date
20.5in
30-yr average
Typical Range
15.3–25.6in
10th–90th pct YTD
Departure
-14%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.25" · normal 3.31" (1.8–4.7)
Feb: 2.10" · normal 3.06" (1.8–4.4)
Mar: 3.71" · normal 4.27" (2.5–6.4)
Apr: 2.65" · normal 3.77" (2.1–5.9)
May: 3.67" · normal 3.07" (1.6–4.4)
Jun: 2.31" (so far)· normal 3.53" (1.4–6.8)
Jul: normal 3.14" (1.7–5.1)
Aug: normal 3.41" (1.6–5.2)
Sep: normal 3.53" (1.6–6.8)
Oct: normal 3.94" (1.3–6.7)
Nov: normal 3.44" (1.7–5.1)
Dec: normal 4.19" (2.5–6.1)
Baseline 1991–2020 · Source: Open-Meteo01:17 PM
Your History · CAMBRIDGE RES., UNNAMED TRIB 3, NR LEXINGTON, MA
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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
59°
FRI
81°
64°
SAT
76°
60°
SUN
80°
58°
MON
82°
59°
TUE
79°
59°
WED
77°
57°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:09 AM
SUNSET
08:26 PM
15H 17M OF DAYLIGHT7H 9M REMAINING
MOON PHASE
Waxing Gibbous
79% illuminated
Station Location
42.4198, -71.2576Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 13:17 UTC
Site #01104420·USGS
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