MEDIAN FLOW RATE · 30 DAY
5cfs 63.5% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
9cfs
PERIOD LOW
1cfs
RUNNABLE
45%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
27.7in
-16% vs normal
27.72 in of precipitation so far this year, 16% below the 30-year normal of 33.15 in for this point in the season.
YTD Total
27.7in
This year so far
Normal to Date
33.1in
30-yr average
Typical Range
25.1–42.3in
10th–90th pct YTD
Departure
-16%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.74" · normal 8.52" (4.6–11.8)
Feb: 7.74" · normal 6.40" (3.6–10.4)
Mar: 6.69" · normal 6.88" (4.1–11.0)
Apr: 3.97" · normal 5.46" (2.7–7.6)
May: 1.72" · normal 3.58" (1.4–5.4)
Jun: 2.86" (so far)· normal 2.33" (1.3–3.8)
Jul: normal 0.61" (0.1–1.3)
Aug: normal 0.82" (0.1–1.5)
Sep: normal 2.35" (0.2–4.5)
Oct: normal 5.65" (2.5–9.1)
Nov: normal 8.97" (4.2–12.2)
Dec: normal 9.46" (5.1–14.0)
Baseline 1991–2020 · Source: Open-Meteo05:31 PM
Your History · JOHNSON CREEK AT REGNER ROAD, AT GRESHAM, OR
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Weather Conditions
WEATHER CONDITIONS
TODAY
65°
55°
TUE
63°
53°
WED
63°
51°
THU
69°
46°
FRI
72°
57°
SAT
80°
51°
SUN
76°
49°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:24 AM
SUNSET
09:02 PM
15H 38M OF DAYLIGHT2H 25M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY
Station Location
45.4863, -122.4218Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 18:37 UTC
Site #14211400·USGS
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