MEDIAN FLOW RATE · 1 YEAR
141cfs 14.5% vs avg
Optimal band: 121–163 cfs
PERIOD HIGH
4,981cfs
PERIOD LOW
38cfs
RUNNABLE
9%
last 1 year in band
Precipitation History
Your History · TUOLUMNE R BL EARLY INTAKE NR MATHER CA
Track your history
Sign in to track your sessions at TUOLUMNE R BL EARLY INTAKE NR MATHER CA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
92°
66°
THU
95°
71°
FRI
98°
70°
SAT
100°
72°
SUN
100°
75°
MON
102°
75°
TUE
104°
79°
FISH INDEX
Temperature
Too Hot
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:45 AM
SUNSET
08:24 PM
14H 39M OF DAYLIGHT
MOON PHASE
Last Quarter
37% illuminated
Station Location
37.8816, -119.9701Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #11276900·USGS
Create a free account to save favorites, set flow alerts, and track conditions
