MEDIAN FLOW RATE · 30 DAY
17cfs 94.7% vs avg
Optimal band: 14–20 cfs
PERIOD HIGH
27cfs
PERIOD LOW
17cfs
RUNNABLE
97%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
24.9in
≈ normal
24.95 in of precipitation so far this year — about average for this point in the season (normal 27.91 in).
YTD Total
24.9in
This year so far
Normal to Date
27.9in
30-yr average
Typical Range
21.4–35.4in
10th–90th pct YTD
Departure
-11%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 5.32" · normal 7.20" (4.6–9.9)
Feb: 4.35" · normal 5.21" (2.6–7.9)
Mar: 8.75" · normal 5.95" (3.2–10.2)
Apr: 2.72" · normal 4.62" (2.0–6.7)
May: 1.67" · normal 3.03" (1.2–4.9)
Jun: 2.14" (so far)· normal 2.07" (0.6–3.1)
Jul: normal 0.75" (0.1–1.6)
Aug: normal 1.01" (0.1–2.1)
Sep: normal 2.20" (0.3–3.9)
Oct: normal 4.87" (2.5–7.0)
Nov: normal 7.94" (3.9–12.9)
Dec: normal 7.51" (4.1–10.8)
Baseline 1991–2020 · Source: Open-Meteo01:37 AM
Your History · CENTRALIA POWER CANAL NEAR MCKENNA, WA
Track your history
Sign in to track your sessions at CENTRALIA POWER CANAL NEAR MCKENNA, WA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
68°
53°
FRI
64°
54°
SAT
64°
51°
SUN
61°
47°
MON
64°
50°
TUE
64°
52°
WED
60°
49°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:16 AM
SUNSET
09:08 PM
15H 52M OF DAYLIGHT18H 2M REMAINING
MOON PHASE
Waxing Gibbous
84% illuminated
Station Location
46.9001, -122.4985Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 03:06 UTC
Site #12089208·USGS
Create a free account to save favorites, set flow alerts, and track conditions