MEDIAN FLOW RATE · 7 DAY
1cfs 51.0% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
1cfs
PERIOD LOW
1cfs
RUNNABLE
100%
last 7 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
24.6in
≈ normal
24.64 in of precipitation so far this year — about average for this point in the season (normal 26.79 in).
YTD Total
24.6in
This year so far
Normal to Date
26.8in
30-yr average
Typical Range
19.1–35.0in
10th–90th pct YTD
Departure
-8%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.84" · normal 6.60" (3.4–9.5)
Feb: 6.86" · normal 5.16" (2.7–8.1)
Mar: 6.30" · normal 5.68" (3.2–8.8)
Apr: 4.02" · normal 4.55" (2.5–6.6)
May: 1.47" · normal 2.86" (1.0–4.6)
Jun: 2.15" · normal 1.79" (1.0–3.0)
Jul: 0.00" (so far)· normal 0.49" (0.1–0.9)
Aug: normal 0.60" (0.1–1.1)
Sep: normal 1.82" (0.1–3.8)
Oct: normal 4.28" (1.6–6.8)
Nov: normal 6.91" (3.1–10.3)
Dec: normal 7.64" (4.2–10.5)
Baseline 1991–2020 · Source: Open-Meteo01:35 PM
Your History · TRYON CREEK NEAR LAKE OSWEGO, OR
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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
58°
THU
78°
50°
FRI
82°
58°
SAT
78°
57°
SUN
82°
52°
MON
88°
56°
TUE
89°
58°
