MEDIAN FLOW RATE · 1 YEAR
4cfs 0.9% vs avg
Optimal band: 6–8 cfs
PERIOD HIGH
1,079cfs
PERIOD LOW
1cfs
RUNNABLE
7%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
14.4in
-16% vs normal
14.38 in of precipitation so far this year, 16% below the 30-year normal of 17.04 in for this point in the season.
YTD Total
14.4in
This year so far
Normal to Date
17.0in
30-yr average
Typical Range
7.2–31.7in
10th–90th pct YTD
Departure
-16%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.91" · normal 5.16" (0.6–11.0)
Feb: 4.01" · normal 5.30" (0.3–10.2)
Mar: 0.62" · normal 3.80" (0.4–8.2)
Apr: 4.85" · normal 1.69" (0.4–3.8)
May: 0.82" · normal 0.89" (0.0–2.2)
Jun: 0.17" · normal 0.20" (0.0–0.5)
Jul: 0.00" (so far)· normal 0.01" (0.0–0.0)
Aug: normal 0.04" (0.0–0.1)
Sep: normal 0.10" (0.0–0.3)
Oct: normal 1.07" (0.0–2.8)
Nov: normal 2.54" (0.5–4.8)
Dec: normal 4.88" (0.4–10.2)
Baseline 1991–2020 · Source: Open-Meteo10:01 AM
Your History · SONOMA C A AGUA CALIENTE CA
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Station Location
38.3232, -122.4944Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #11458500·USGS
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