MEDIAN FLOW RATE · 1 YEAR
1,988cfs 2.8% vs avg
Optimal band: 196–265 cfs
PERIOD HIGH
1,988cfs
PERIOD LOW
218cfs
RUNNABLE
78%
last 1 year in band
Gauge Height
5.09ft
Water Temperature
41.7°F
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
27.7in
-20% vs normal
27.73 in of precipitation so far this year, 20% below the 30-year normal of 34.59 in for this point in the season.
YTD Total
27.7in
This year so far
Normal to Date
34.6in
30-yr average
Typical Range
26.9–42.1in
10th–90th pct YTD
Departure
-20%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.76" · normal 8.73" (4.5–13.3)
Feb: 6.51" · normal 6.66" (3.9–12.3)
Mar: 7.64" · normal 6.96" (4.4–10.6)
Apr: 4.24" · normal 5.41" (2.9–7.9)
May: 1.93" · normal 3.92" (2.1–6.3)
Jun: 2.64" · normal 2.56" (1.3–4.0)
Jul: 0.02" (so far)· normal 0.71" (0.1–1.2)
Aug: normal 0.81" (0.1–1.6)
Sep: normal 1.92" (0.2–3.8)
Oct: normal 4.80" (2.1–7.5)
Nov: normal 8.33" (3.3–12.0)
Dec: normal 9.84" (5.7–13.8)
Baseline 1991–2020 · Source: Open-Meteo15:14 UTC
Your History · CLACKAMAS RIVER AT BIG BOTTOM, OR
Track your history
Sign in to track your sessions at CLACKAMAS RIVER AT BIG BOTTOM, OR — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
81°
53°
TUE
83°
60°
WED
92°
63°
THU
95°
63°
FRI
94°
62°
SAT
85°
56°
SUN
80°
49°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:34 AM
SUNSET
08:53 PM
15H 19M OF DAYLIGHT
MOON PHASE
New Moon
2% illuminated
PEAK ACTIVITY
Station Location
45.0171, -121.9235Loading map…
DATA · USGS · NOAA · NWSUPDATED 2025-12-20 00:00 UTC
Site #14208000·USGS
Create a free account to save favorites, set flow alerts, and track conditions