MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
33.0in
≈ normal
33.02 in of precipitation so far this year — about average for this point in the season (normal 38.68 in).
YTD Total
33.0in
This year so far
Normal to Date
38.7in
30-yr average
Typical Range
30.3–47.6in
10th–90th pct YTD
Departure
-15%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 8.00" · normal 9.89" (6.4–14.3)
Feb: 6.00" · normal 6.39" (3.4–8.8)
Mar: 11.70" · normal 8.28" (5.0–12.7)
Apr: 2.71" · normal 6.08" (3.0–8.9)
May: 2.03" · normal 4.52" (1.8–7.0)
Jun: 2.59" (so far)· normal 3.58" (1.8–5.5)
Jul: normal 1.94" (0.5–3.3)
Aug: normal 2.40" (0.4–4.9)
Sep: normal 3.82" (0.8–6.9)
Oct: normal 7.45" (3.1–11.6)
Nov: normal 10.87" (6.7–16.6)
Dec: normal 9.40" (5.2–13.7)
Baseline 1991–2020 · Source: Open-Meteo05:31 PM
Your History · JOHNSON CREEK AT SUMAS, WA
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Weather Conditions
WEATHER CONDITIONS
TODAY
68°
58°
TUE
68°
58°
WED
62°
54°
THU
68°
54°
FRI
71°
52°
SAT
71°
57°
SUN
72°
47°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:08 AM
SUNSET
09:17 PM
16H 9M OF DAYLIGHT2H 39M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY
Station Location
48.9969, -122.2642Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 18:38 UTC
Site #12215000·USGS
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