MEDIAN FLOW RATE · 1 DAY
580cfs 44.2% vs avg
Optimal band: 558–756 cfs
PERIOD HIGH
712cfs
PERIOD LOW
580cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
5.02ft
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
19.0in
-15% vs normal
19.04 in of precipitation so far this year, 15% below the 30-year normal of 22.54 in for this point in the season.
YTD Total
19.0in
This year so far
Normal to Date
22.5in
30-yr average
Typical Range
17.4–27.9in
10th–90th pct YTD
Departure
-15%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.72" · normal 6.93" (3.9–8.8)
Feb: 2.04" · normal 4.80" (2.0–7.2)
Mar: 9.23" · normal 4.58" (2.8–7.8)
Apr: 1.21" · normal 2.74" (1.3–4.7)
May: 0.92" · normal 2.13" (1.0–3.4)
Jun: 0.92" (so far)· normal 1.53" (0.5–2.7)
Jul: normal 0.67" (0.1–1.4)
Aug: normal 0.68" (0.1–1.4)
Sep: normal 1.48" (0.3–3.1)
Oct: normal 3.99" (1.3–6.2)
Nov: normal 6.62" (3.4–9.1)
Dec: normal 7.09" (4.0–10.1)
Baseline 1991–2020 · Source: Open-Meteo02:59 AM
Your History · CHIWAWA RIVER NEAR PLAIN, WA
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Weather Conditions
WEATHER CONDITIONS
TODAY
74°
57°
FRI
62°
52°
SAT
61°
47°
SUN
63°
45°
MON
65°
49°
TUE
66°
46°
WED
54°
44°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:05 AM
SUNSET
09:05 PM
16H 0M OF DAYLIGHT16H 31M REMAINING
MOON PHASE
Waxing Gibbous
84% illuminated
Station Location
47.8373, -120.6623Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 04:34 UTC
Site #12456500·USGS
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