MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
22.3in
-16% vs normal
22.26 in of precipitation so far this year, 16% below the 30-year normal of 26.51 in for this point in the season.
YTD Total
22.3in
This year so far
Normal to Date
26.5in
30-yr average
Typical Range
19.1–35.0in
10th–90th pct YTD
Departure
-16%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.52" · normal 6.56" (3.4–9.5)
Feb: 6.59" · normal 5.06" (2.6–7.7)
Mar: 5.47" · normal 5.63" (3.2–8.8)
Apr: 3.76" · normal 4.49" (2.5–6.4)
May: 1.18" · normal 2.83" (0.9–4.6)
Jun: 1.71" · normal 1.73" (1.0–3.0)
Jul: 0.02" (so far)· normal 0.49" (0.1–1.0)
Aug: normal 0.59" (0.1–1.1)
Sep: normal 1.75" (0.1–3.7)
Oct: normal 4.13" (1.6–6.7)
Nov: normal 6.80" (3.1–10.3)
Dec: normal 7.56" (4.1–10.5)
Baseline 1991–2020 · Source: Open-Meteo19:45 UTC
Your History · DERRY DELL CREEK NEAR SW DERRY DELL CT, TIGARD, OR
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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
54°
MON
87°
52°
TUE
90°
59°
WED
92°
60°
THU
90°
62°
FRI
88°
54°
SAT
87°
58°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:35 AM
SUNSET
08:58 PM
15H 23M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated
Station Location
45.4257, -122.7905Loading map…
DATA · USGS · NOAA · NWS
Site #452533122472600·USGS
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