MEDIAN FLOW RATE · 1 DAY
81.8cfs 78.1% vs avg
Optimal band: 67–90 cfs
PERIOD HIGH
81.8cfs
PERIOD LOW
74.8cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
3.56ft
Water Temperature
9.3°F
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
19.1in
+19% vs normal
19.07 in of precipitation so far this year, 19% above the 30-year normal of 16.06 in for this point in the season.
YTD Total
19.1in
This year so far
Normal to Date
16.1in
30-yr average
Typical Range
7.0–27.0in
10th–90th pct YTD
Departure
+19%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.27" · normal 4.51" (0.7–8.7)
Feb: 7.68" · normal 4.22" (0.6–7.0)
Mar: 0.55" · normal 3.63" (0.6–8.4)
Apr: 3.99" · normal 1.73" (0.3–3.5)
May: 2.21" · normal 1.29" (0.3–2.5)
Jun: 0.37" · normal 0.65" (0.0–1.4)
Jul: 0.01" (so far)· normal 0.66" (0.2–1.2)
Aug: normal 0.51" (0.1–1.1)
Sep: normal 0.48" (0.1–1.0)
Oct: normal 0.95" (0.0–2.4)
Nov: normal 2.01" (0.4–4.0)
Dec: normal 3.48" (0.4–6.9)
Baseline 1991–2020 · Source: Open-Meteo01:12 PM
Your History · MF SAN JOAQUIN R NR MAMMOTH LAKES CA
Track your history
Sign in to track your sessions at MF SAN JOAQUIN R NR MAMMOTH LAKES CA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
68°
45°
FRI
70°
49°
SAT
81°
50°
SUN
80°
51°
MON
77°
51°
TUE
81°
50°
WED
82°
54°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:39 AM
SUNSET
08:21 PM
14H 42M OF DAYLIGHT4H 45M REMAINING
MOON PHASE
Waning Gibbous
92% illuminated
Station Location
37.6319, -119.0864Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 15:36 UTC
Site #11224000·USGS
Create a free account to save favorites, set flow alerts, and track conditions