MEDIAN FLOW RATE · 1 YEAR
0cfs 66.8% vs avg
Optimal band: 4–6 cfs
PERIOD HIGH
675cfs
PERIOD LOW
1cfs
RUNNABLE
28%
last 1 year in band
Gauge Height
0.79ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
10.7in
≈ normal
10.7 in of precipitation so far this year — about average for this point in the season (normal 12.43 in).
YTD Total
10.7in
This year so far
Normal to Date
12.4in
30-yr average
Typical Range
5.9–18.9in
10th–90th pct YTD
Departure
-14%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.22" · normal 3.52" (0.8–7.6)
Feb: 4.80" · normal 3.62" (0.4–6.8)
Mar: 0.33" · normal 2.89" (0.5–5.3)
Apr: 2.58" · normal 1.47" (0.3–2.4)
May: 0.71" · normal 0.72" (0.1–1.5)
Jun: 0.05" · normal 0.18" (0.0–0.4)
Jul: 0.00" (so far)· normal 0.08" (0.0–0.1)
Aug: normal 0.10" (0.0–0.2)
Sep: normal 0.10" (0.0–0.3)
Oct: normal 0.91" (0.0–2.4)
Nov: normal 1.65" (0.4–2.9)
Dec: normal 3.18" (0.3–5.9)
Baseline 1991–2020 · Source: Open-Meteo15:11 UTC
Your History · ARROYO VALLE BL LANG CYN NR LIVERMORE CA
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Weather Conditions
WEATHER CONDITIONS
TODAY
99°
79°
TUE
98°
80°
WED
98°
72°
THU
94°
65°
FRI
95°
64°
SAT
94°
63°
SUN
97°
67°
FISH INDEX
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:56 AM
SUNSET
08:28 PM
14H 32M OF DAYLIGHT
MOON PHASE
New Moon
1% illuminated
PEAK ACTIVITY
Station Location
37.5613, -121.6838Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-09 00:00 UTC
Site #11176400·USGS
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