MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
7.8in
-31% vs normal
7.78 in of precipitation so far this year, 31% below the 30-year normal of 11.33 in for this point in the season.
YTD Total
7.8in
This year so far
Normal to Date
11.3in
30-yr average
Typical Range
3.4–23.9in
10th–90th pct YTD
Departure
-31%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.29" · normal 3.47" (0.3–9.7)
Feb: 4.04" · normal 3.79" (0.4–8.3)
Mar: 0.21" · normal 2.56" (0.4–6.2)
Apr: 0.87" · normal 0.93" (0.1–2.1)
May: 0.28" · normal 0.43" (0.0–0.8)
Jun: 0.06" · normal 0.12" (0.0–0.3)
Jul: 0.02" (so far)· normal 0.08" (0.0–0.2)
Aug: normal 0.01" (0.0–0.0)
Sep: normal 0.15" (0.0–0.5)
Oct: normal 0.73" (0.0–1.6)
Nov: normal 0.85" (0.0–2.0)
Dec: normal 2.31" (0.3–5.3)
Baseline 1991–2020 · Source: Open-Meteo06:30 UTC
Your History · Hansen Dam
Track your history
Sign in to track your sessions at Hansen Dam — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
34.2606, -118.3861Loading map…
DATA · USGS · NOAA · NWS
Site #spl:Hansen US.Flow.Ave.0.0.Rescal·USGS
Create a free account to save favorites, set flow alerts, and track conditions