MEDIAN FLOW RATE · 1 YEAR
1cfs 91.3% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
76cfs
PERIOD LOW
1cfs
RUNNABLE
86%
last 1 year in band
Gauge Height
3.28ft
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
8.2in
-20% vs normal
8.23 in of precipitation so far this year, 20% below the 30-year normal of 10.28 in for this point in the season.
YTD Total
8.2in
This year so far
Normal to Date
10.3in
30-yr average
Typical Range
3.0–21.3in
10th–90th pct YTD
Departure
-20%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.54" · normal 3.30" (0.3–8.4)
Feb: 3.18" · normal 3.47" (0.4–7.9)
Mar: 0.13" · normal 2.17" (0.3–4.8)
Apr: 0.95" · normal 0.88" (0.1–2.0)
May: 0.32" · normal 0.35" (0.0–0.7)
Jun: 0.04" · normal 0.09" (0.0–0.2)
Jul: 0.07" (so far)· normal 0.06" (0.0–0.2)
Aug: normal 0.02" (0.0–0.1)
Sep: normal 0.13" (0.0–0.5)
Oct: normal 0.65" (0.0–1.3)
Nov: normal 0.84" (0.1–2.1)
Dec: normal 2.25" (0.4–4.5)
Baseline 1991–2020 · Source: Open-Meteo16:17 UTC
Your History · FULLERTON C BL FULLERTON DAM NR BREA CA
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Weather Conditions
WEATHER CONDITIONS
TODAY
91°
68°
TUE
93°
66°
WED
99°
68°
THU
97°
78°
FRI
88°
73°
SAT
87°
74°
SUN
90°
73°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
08:04 PM
14H 14M OF DAYLIGHT
MOON PHASE
New Moon
1% illuminated
PEAK ACTIVITY
Station Location
33.8958, -117.8862Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #11089500·USGS
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