Waterlands
Brea Dam River
USGS · spl:Brea US.Flow.Ave.0.0.Rescal
BREA DAM RIVER
USGS · spl:Brea US.Flow.Ave.0.0.RescalLIVE

Brea Dam

FULLERTON, CA33.8917°N, -117.9250°W
AIR TEMP
67°F
WIND
4mph WSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
cfs
No flow data available
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

7.6in

-30% vs normal

7.56 in of precipitation so far this year, 30% below the 30-year normal of 10.75 in for this point in the season.

YTD Total

7.6in

This year so far

Normal to Date

10.8in

30-yr average

Typical Range

3.0–21.3in

10th–90th pct YTD

Departure

-30%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.19" · normal 3.48" (0.4–11.1)
Jan
Feb: 2.98" · normal 3.58" (0.5–7.9)
Feb
Mar: 0.12" · normal 2.29" (0.3–6.2)
Mar
Apr: 1.10" · normal 0.91" (0.1–2.0)
Apr
May: 0.17" · normal 0.37" (0.0–0.7)
May
Jun: 0.00" · normal 0.09" (0.0–0.2)
Jun
Jul: 0.01" (so far)· normal 0.06" (0.0–0.2)
Jul
Aug: normal 0.02" (0.0–0.1)
Aug
Sep: normal 0.14" (0.0–0.5)
Sep
Oct: normal 0.66" (0.0–1.4)
Oct
Nov: normal 0.90" (0.1–2.1)
Nov
Dec: normal 2.26" (0.4–4.5)
Dec
Baseline 19912020 · Source: Open-Meteo06:29 UTC
Your History · Brea Dam

Track your history

Sign in to track your sessions at Brea Dam — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
88°
62°
MON
88°
66°
TUE
92°
73°
WED
101°
76°
THU
97°
79°
FRI
88°
77°
SAT
90°
76°
TIME
SUN
8
NOW
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TEMP
hourly forecast
69°
mild
69°
77°
76°
79°
75°
80°
88°
88°
87°
84°
81°
79°
76°
73°
71°
71°
70°
69°
68°
68°
67°
66°
66°
66°
68°
71°
75°
77°
82°
83°
85°
85°
87°
88°
88°
84°
81°
79°
77°
77°
77°
77°
75°
74°
75°
75°
73°
74°
76°
80°
83°
87°
90°
92°
92°
92°
92°
91°
90°
89°
86°
83°
82°
80°
80°
79°
78°
77°
77°
77°
76°
77°
81°
84°
88°
92°
96°
99°
101°
100°
99°
99°
98°
96°
93°
90°
86°
84°
83°
82°
82°
81°
80°
79°
79°
80°
82°
86°
89°
93°
96°
97°
95°
94°
94°
91°
89°
87°
85°
84°
83°
82°
WIND
mph · gust · dir
3mph ENE
G 7 mph
3
G7
ENE
2
G4
NW
6
G7
SW
8
G11
SSW
4
SSW
3
G4
WSW
5
W
8
G10
WSW
8
G10
WSW
8
G10
SW
8
G9
SW
7
G8
SW
6
G8
WSW
4
G5
WSW
4
G5
SSW
2
G3
WSW
2
G3
WSW
3
G4
WSW
3
G5
SW
2
G3
WNW
4
G6
WNW
4
G6
SW
3
G6
WSW
3
G4
NW
4
SW
5
G6
SSW
3
SSW
3
G4
WSW
5
G6
W
6
SW
6
G8
SW
8
G9
SW
9
SW
10
SW
10
SW
9
SSW
7
SSW
6
SSW
5
S
3
S
4
SW
5
SW
6
SW
4
SSE
4
G5
SSE
4
SW
5
WSW
3
WSW
2
G3
S
4
SW
4
WSW
6
WSW
8
SW
10
SW
10
SW
10
SW
10
SW
10
SW
9
SW
8
SW
7
SSW
5
S
4
G5
SSW
4
SSW
4
SSW
4
SSW
4
SSW
4
SW
3
SSW
3
G4
SSW
3
G4
SW
3
SW
2
W
3
WSW
5
W
6
WSW
7
WSW
8
WSW
8
WSW
11
SW
11
SW
9
WSW
8
G9
WSW
8
SW
7
SSW
6
SSW
6
SSW
5
G6
SSW
4
SSW
4
SSW
3
SW
5
SW
4
SW
3
SW
3
SW
3
SW
4
SW
4
W
5
SW
7
WSW
8
WSW
10
SW
12
SW
11
SW
12
SW
12
SSW
11
SSW
8
SSW
6
SW
5
SW
6
SW
5
WSW
PRECIP
chance %
0%
0%
1%
2%
1%
1%
1%
2%
2%
3%
5%
8%
7%
4%
3%
3%
2%
2%
2%
2%
2%
2%
3%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
4%
4%
4%
4%
4%
4%
CLOUDS
cover %
100%
overcast
100%
100%
69%
82%
66%
96%
100%
97%
29%
6%
6%
6%
6%
6%
100%
100%
100%
96%
89%
100%
100%
100%
100%
98%
100%
94%
91%
100%
100%
100%
83%
79%
93%
77%
20%
16%
10%
76%
69%
81%
100%
100%
100%
72%
98%
98%
100%
93%
73%
100%
100%
11%
11%
10%
5%
5%
6%
6%
6%
6%
6%
100%
100%
6%
11%
100%
5%
100%
6%
5%
7%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
4%
25%
54%
71%
PRESSURE
hPa · trend
1006
10061004100410051007100610031004100410021001100010009989979989999981000
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
08:04 PM
14H 14M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

33.8917, -117.9250
Loading map…
DATA · USGS · NOAA · NWS
Site #spl:Brea US.Flow.Ave.0.0.Rescal·USGS

Create a free account to save favorites, set flow alerts, and track conditions