MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
32.9in
≈ normal
32.94 in of precipitation so far this year — about average for this point in the season (normal 35.27 in).
YTD Total
32.9in
This year so far
Normal to Date
35.3in
30-yr average
Typical Range
28.5–44.3in
10th–90th pct YTD
Departure
-7%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 7.08" · normal 8.94" (5.9–11.4)
Feb: 4.58" · normal 6.04" (2.9–8.9)
Mar: 11.29" · normal 7.44" (4.2–11.7)
Apr: 3.51" · normal 5.53" (3.0–8.3)
May: 2.54" · normal 3.90" (1.8–5.8)
Jun: 3.52" · normal 2.88" (1.4–4.6)
Jul: 0.43" (so far)· normal 1.29" (0.3–2.3)
Aug: normal 1.61" (0.3–3.8)
Sep: normal 3.48" (0.5–7.0)
Oct: normal 7.14" (3.0–11.8)
Nov: normal 10.19" (5.4–15.0)
Dec: normal 8.99" (4.8–14.1)
Baseline 1991–2020 · Source: Open-Meteo12:28 AM
Your History · Stillaguamish River At Arlington
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Weather Conditions
WEATHER CONDITIONS
TODAY
72°
57°
THU
72°
52°
FRI
71°
56°
SAT
65°
53°
SUN
71°
48°
MON
79°
50°
TUE
74°
52°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:17 AM
SUNSET
09:09 PM
15H 52M OF DAYLIGHT
MOON PHASE
Last Quarter
33% illuminated
Station Location
48.2033, -122.1303Loading map…
DATA · USGS · NOAA · NWS
Site #nws:ARLW.Flow.Ave.6Hours.6Hours.RFC-FCST·USGS
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