MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
18.6in
-27% vs normal
18.62 in of precipitation so far this year, 27% below the 30-year normal of 25.44 in for this point in the season.
YTD Total
18.6in
This year so far
Normal to Date
25.4in
30-yr average
Typical Range
14.0–37.8in
10th–90th pct YTD
Departure
-27%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.47" · normal 7.35" (1.0–13.8)
Feb: 8.53" · normal 6.55" (0.8–12.5)
Mar: 0.41" · normal 5.72" (1.0–11.6)
Apr: 4.29" · normal 2.92" (1.0–5.8)
May: 0.84" · normal 1.97" (0.4–4.6)
Jun: 0.08" · normal 0.87" (0.0–2.2)
Jul: 0.00" (so far)· normal 0.13" (0.0–0.3)
Aug: normal 0.17" (0.0–0.5)
Sep: normal 0.35" (0.0–0.8)
Oct: normal 2.11" (0.1–4.0)
Nov: normal 4.28" (1.5–8.2)
Dec: normal 7.88" (0.9–16.3)
Baseline 1991–2020 · Source: Open-Meteo23:56 UTC
Your History · EEL R A VAN ARSDALE DAM NR POTTER VALLEY CA
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Station Location
39.3885, -123.1161Loading map…
DATA · USGS · NOAA · NWS
Site #11471500·USGS
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