MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
20.0in
-25% vs normal
19.98 in of precipitation so far this year, 25% below the 30-year normal of 26.65 in for this point in the season.
YTD Total
20.0in
This year so far
Normal to Date
26.6in
30-yr average
Typical Range
19.6–34.0in
10th–90th pct YTD
Departure
-25%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.37" · normal 6.75" (3.1–10.5)
Feb: 4.71" · normal 5.21" (2.6–7.9)
Mar: 5.54" · normal 5.88" (3.2–9.5)
Apr: 3.56" · normal 4.45" (2.6–6.5)
May: 1.27" · normal 2.74" (0.6–4.6)
Jun: 1.53" · normal 1.59" (0.8–2.6)
Jul: 0.00" (so far)· normal 0.44" (0.0–1.0)
Aug: normal 0.54" (0.0–1.1)
Sep: normal 1.70" (0.1–3.6)
Oct: normal 4.17" (1.3–7.5)
Nov: normal 6.98" (3.0–10.1)
Dec: normal 8.02" (4.3–11.3)
Baseline 1991–2020 · Source: Open-Meteo07:22 AM
Your History · MCKAY CREEK TRIB NEAR NE 9TH DR, AT HILLSBORO, OR
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Weather Conditions
WEATHER CONDITIONS
TODAY
76°
50°
FRI
82°
56°
SAT
84°
54°
SUN
82°
51°
MON
88°
55°
TUE
83°
54°
WED
79°
57°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
09:04 PM
15H 37M OF DAYLIGHT13H 42M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated
Station Location
45.5466, -122.9726Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 07:22 UTC
Site #453248122582100·USGS
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