MEDIAN FLOW RATE · 30 DAY
26cfs 14.9% vs avg
Optimal band: 26–36 cfs
PERIOD HIGH
36cfs
PERIOD LOW
26cfs
RUNNABLE
100%
last 30 day in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
25.5in
+35% vs normal
25.5 in of precipitation so far this year, 35% above the 30-year normal of 18.91 in for this point in the season.
YTD Total
25.5in
This year so far
Normal to Date
18.9in
30-yr average
Typical Range
9.0–33.0in
10th–90th pct YTD
Departure
+35%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 7.73" · normal 5.90" (0.8–11.5)
Feb: 8.37" · normal 6.00" (0.5–12.1)
Mar: 0.35" · normal 4.15" (0.4–8.6)
Apr: 7.63" · normal 1.83" (0.6–4.0)
May: 1.32" · normal 0.87" (0.0–1.8)
Jun: 0.09" · normal 0.16" (0.0–0.4)
Jul: 0.01" (so far)· normal 0.02" (0.0–0.0)
Aug: normal 0.04" (0.0–0.0)
Sep: normal 0.08" (0.0–0.2)
Oct: normal 1.17" (0.0–2.6)
Nov: normal 2.75" (0.5–5.3)
Dec: normal 5.41" (0.4–10.4)
Baseline 1991–2020 · Source: Open-Meteo04:42 PM
Your History · SAN LORENZO R A BIG TREES CA
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Station Location
37.0444, -122.0725Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #11160500·USGS
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