MEDIAN FLOW RATE · 30 DAY
2cfs 71.0% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
6cfs
PERIOD LOW
2cfs
RUNNABLE
61%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
15.7in
-18% vs normal
15.7 in of precipitation so far this year, 18% below the 30-year normal of 19.13 in for this point in the season.
YTD Total
15.7in
This year so far
Normal to Date
19.1in
30-yr average
Typical Range
8.7–31.5in
10th–90th pct YTD
Departure
-18%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.38" · normal 5.69" (0.5–11.7)
Feb: 5.15" · normal 5.79" (0.3–11.1)
Mar: 0.30" · normal 4.38" (0.5–10.1)
Apr: 5.10" · normal 1.92" (0.6–3.5)
May: 0.78" · normal 1.07" (0.1–2.8)
Jun: 0.00" (so far)· normal 0.27" (0.0–0.8)
Jul: normal 0.01" (0.0–0.0)
Aug: normal 0.04" (0.0–0.1)
Sep: normal 0.13" (0.0–0.3)
Oct: normal 1.36" (0.1–3.2)
Nov: normal 2.95" (0.7–6.3)
Dec: normal 5.93" (0.4–11.9)
Baseline 1991–2020 · Source: Open-Meteo12:30 AM
Your History · LAGUNA DE SANTA ROSA C NR SEBASTOPOL CA
Track your history
Sign in to track your sessions at LAGUNA DE SANTA ROSA C NR SEBASTOPOL CA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
84°
49°
TUE
85°
50°
WED
81°
51°
THU
83°
48°
FRI
83°
49°
SAT
83°
51°
SUN
82°
51°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
08:39 PM
14H 49M OF DAYLIGHT17H 52M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY
Station Location
38.4255, -122.8292Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-30 02:47 UTC
Site #11465750·USGS
Create a free account to save favorites, set flow alerts, and track conditions