Waterlands
Big Rock C nr Valyermo Ca River
USGS · 10263500
BIG ROCK C NR VALYERMO CA RIVER
USGS · 10263500LIVE

BIG ROCK C NR VALYERMO CA

LOS ANGELES COUNTY, CA34.4208°N, -117.8395°W Updated 12 hr ago
FLOW RATE
12cfs
AIR TEMP
70°F
WIND
6mph SSE
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
12cfs 41.0% vs avg
Optimal band: 12–16 cfs
PERIOD HIGH
1,115cfs
PERIOD LOW
2cfs
RUNNABLE
15%
last 1 year in band
Precipitation History
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
91°
71°
THU
91°
62°
FRI
76°
53°
SAT
70°
51°
SUN
74°
45°
MON
80°
49°
TUE
81°
53°
TIME
WED
1
NOW
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
FRI
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
SAT
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
SUN
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
MON
12
am
1
am
2
am
3
am
4
am
TEMP
hourly forecast
91°
mild
91°
91°
91°
90°
88°
87°
84°
81°
76°
74°
73°
72°
72°
72°
70°
70°
69°
66°
71°
78°
83°
88°
90°
91°
91°
91°
90°
89°
87°
85°
83°
78°
70°
66°
62°
58°
57°
56°
55°
54°
53°
53°
59°
66°
70°
73°
75°
76°
76°
76°
76°
75°
74°
72°
67°
59°
54°
55°
54°
53°
52°
52°
52°
52°
51°
51°
53°
58°
61°
64°
67°
69°
70°
69°
69°
69°
67°
64°
59°
54°
53°
53°
52°
51°
49°
47°
46°
46°
45°
45°
49°
54°
59°
64°
68°
72°
74°
74°
74°
73°
71°
68°
62°
55°
50°
50°
51°
51°
51°
51°
50°
49°
WIND
mph · gust · dir
15mph SSW
G 16 mph
15
G16
SSW
17
G21
SSW
22
G28
SSW
24
G30
SSW
24
G30
SSW
23
G29
SSW
22
G29
SSW
19
G30
SSW
2
G13
NNE
8
G10
N
5
G6
N
2
G3
NNE
1
G2
NNW
7
WNW
8
G9
WNW
6
G8
NW
2
G5
NNW
9
ESE
7
ESE
4
G5
E
3
G4
ESE
3
G5
NNW
10
G11
WSW
12
G13
WSW
14
G16
WSW
14
G16
SW
15
G16
SW
14
G15
SW
14
G16
SW
14
G16
WSW
12
G16
WSW
9
G17
WSW
9
G16
SW
8
G13
SSW
8
G10
SSW
9
G10
S
9
S
9
S
9
S
9
SSE
10
SSE
10
SSE
10
S
10
S
10
S
10
S
12
S
12
S
13
G15
S
12
G16
S
11
G16
SSW
11
G16
S
10
G15
SSW
10
G14
SSW
9
G12
S
9
G12
S
8
G12
S
8
G13
S
8
G11
S
8
G9
SSE
8
G9
SSE
8
SSE
9
S
9
S
10
S
10
S
10
S
10
S
11
S
11
S
12
G13
S
12
G15
S
13
G17
S
14
G17
S
13
G18
S
13
G18
S
12
G17
S
12
G16
S
11
G15
S
11
G17
S
11
G14
S
11
G15
S
11
G13
S
10
G11
S
9
G10
S
9
S
10
S
9
S
10
SSE
10
SSE
9
SSE
8
S
7
S
7
G8
S
7
G11
SSW
7
G13
SSW
7
G16
SW
8
G17
SSW
8
G15
SSW
9
G15
SSW
9
G15
SSW
9
G13
SSW
9
G11
S
7
G9
S
6
G8
S
5
G8
S
4
G7
SSW
4
G7
SSW
4
G7
SSW
3
G7
SSW
3
G6
SW
3
G6
SW
PRECIP
chance %
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%
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%
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%
0%
0%
0%
0%
0%
CLOUDS
cover %
12%
few
12%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
66%
7%
0%
0%
0%
5%
5%
11%
5%
5%
5%
7%
40%
6%
5%
0%
0%
0%
11%
57%
36%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
87%
100%
100%
100%
32%
2%
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%
PRESSURE
hPa · trend
882
882879876876880877872873874872871871872870870872875872872
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:07 PM
14H 27M OF DAYLIGHT7H 31M REMAINING
MOON PHASE
Waxing Gibbous
69% illuminated

Station Location

34.4208, -117.8395
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:36 UTC
Site #10263500·USGS

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