MEDIAN FLOW RATE · 1 YEAR
4cfs 29.7% vs avg
Optimal band: 17–23 cfs
PERIOD HIGH
747cfs
PERIOD LOW
1cfs
RUNNABLE
8%
last 1 year in band
Gauge Height
1.21ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.4in
≈ normal
23.39 in of precipitation so far this year — about average for this point in the season (normal 22.94 in).
YTD Total
23.4in
This year so far
Normal to Date
22.9in
30-yr average
Typical Range
18.2–27.3in
10th–90th pct YTD
Departure
+2%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.75" · normal 3.09" (1.9–4.7)
Feb: 1.26" · normal 2.88" (1.6–3.8)
Mar: 4.26" · normal 3.59" (2.1–5.3)
Apr: 2.90" · normal 3.94" (2.4–6.1)
May: 6.55" · normal 3.56" (1.7–5.1)
Jun: 5.23" · normal 4.15" (1.9–5.6)
Jul: 0.45" (so far)· normal 4.20" (2.3–6.2)
Aug: normal 3.60" (1.9–5.3)
Sep: normal 3.50" (1.8–5.4)
Oct: normal 4.61" (1.7–7.8)
Nov: normal 3.68" (2.3–4.8)
Dec: normal 4.05" (2.4–5.3)
Baseline 1991–2020 · Source: Open-Meteo01:05 UTC
Your History · COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
54°
MON
85°
62°
TUE
92°
68°
WED
84°
66°
THU
77°
57°
FRI
72°
51°
SAT
81°
51°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:17 AM
SUNSET
08:28 PM
15H 11M OF DAYLIGHT
MOON PHASE
New Moon
3% illuminated
PEAK ACTIVITY
Station Location
43.7039, -71.8333Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #01077400·USGS
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