MEDIAN FLOW RATE · 7 DAY
550cfs 7.4% vs avg
Optimal band: 503–681 cfs
PERIOD HIGH
665cfs
PERIOD LOW
550cfs
RUNNABLE
100%
last 7 day in band
Gauge Height
30.95ft
Precipitation History
Your History · CHEHALIS RIVER AT PORTER, WA
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Weather Conditions
WEATHER CONDITIONS
TODAY
70°
53°
MON
78°
49°
TUE
84°
47°
WED
89°
48°
THU
89°
54°
FRI
78°
53°
SAT
81°
51°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:31 AM
SUNSET
09:06 PM
15H 35M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated
Station Location
46.9393, -123.3143Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #12031000·USGS
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