MEDIAN FLOW RATE · 1 YEAR
109cfs 4.1% vs avg
Optimal band: 267–361 cfs
PERIOD HIGH
29,575cfs
PERIOD LOW
69cfs
RUNNABLE
8%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
16.2in
-18% vs normal
16.17 in of precipitation so far this year, 18% below the 30-year normal of 19.72 in for this point in the season.
YTD Total
16.2in
This year so far
Normal to Date
19.7in
30-yr average
Typical Range
9.0–31.6in
10th–90th pct YTD
Departure
-18%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.84" · normal 5.86" (0.5–12.4)
Feb: 6.02" · normal 6.05" (0.4–10.8)
Mar: 0.33" · normal 4.49" (0.8–10.2)
Apr: 4.36" · normal 1.97" (0.5–3.5)
May: 0.62" · normal 1.06" (0.0–2.8)
Jun: 0.00" · normal 0.29" (0.0–0.8)
Jul: 0.00" (so far)· normal 0.01" (0.0–0.0)
Aug: normal 0.04" (0.0–0.1)
Sep: normal 0.13" (0.0–0.4)
Oct: normal 1.39" (0.1–3.0)
Nov: normal 3.08" (0.8–6.3)
Dec: normal 6.12" (0.4–12.3)
Baseline 1991–2020 · Source: Open-Meteo10:25 AM
Your History · RUSSIAN R A HACIENDA BRIDGE NR GUERNEVILLE CA
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Station Location
38.5085, -122.9277Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #11467000·USGS
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