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 16 hr ago
FLOW RATE
11cfs
GAUGE HT
2.26ft
AIR TEMP
86°F
WIND
8mph N
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
11cfs 45.8% vs avg
Optimal band: 13–17 cfs
PERIOD HIGH
1,115cfs
PERIOD LOW
2cfs
RUNNABLE
16%
last 1 year in band

Gauge Height

2.26ft
Precipitation History
Your History · BIG ROCK C NR VALYERMO CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
92°
73°
MON
87°
70°
TUE
90°
69°
WED
97°
71°
THU
93°
71°
FRI
87°
66°
SAT
90°
64°
TIME
SUN
5
NOW
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
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
TEMP
hourly forecast
86°
mild
86°
85°
83°
80°
78°
76°
75°
75°
74°
74°
71°
71°
71°
70°
73°
77°
80°
82°
86°
87°
85°
80°
84°
85°
84°
82°
81°
78°
78°
77°
76°
75°
75°
74°
74°
73°
70°
69°
75°
78°
79°
80°
83°
87°
89°
89°
89°
90°
90°
88°
86°
77°
73°
73°
74°
75°
73°
71°
71°
71°
71°
71°
78°
83°
87°
89°
91°
93°
95°
96°
97°
95°
90°
89°
88°
80°
78°
77°
76°
75°
76°
73°
72°
72°
73°
73°
79°
84°
88°
90°
93°
93°
90°
87°
87°
91°
90°
86°
80°
73°
71°
71°
71°
71°
71°
71°
72°
73°
74°
76°
77°
78°
WIND
mph · gust · dir
4mph SE
G 7 mph
4
G7
SE
12
G13
NNW
11
G12
WNW
9
G11
W
6
G8
WSW
6
G8
WSW
8
G9
SW
6
G8
SW
6
G7
WSW
4
WSW
6
G7
SE
8
SE
7
SSE
4
SE
5
E
3
G5
ENE
3
G5
NE
3
G8
NNE
3
G8
NNW
10
G12
SSW
8
G11
SSE
12
NE
10
NE
8
G9
NNE
7
G10
N
10
ENE
4
N
7
G8
E
4
G5
SSE
4
WSW
4
G5
SW
5
SSW
5
S
6
SSE
4
G5
SSW
3
G5
SSW
1
G4
ESE
2
G3
NNE
4
G7
NNW
5
G7
NNW
5
G7
N
5
G6
N
5
N
5
N
6
NNW
7
NNW
6
NW
6
WNW
8
WNW
8
G10
W
7
G15
W
6
G15
WSW
3
G10
SW
1
G8
WSW
1
G7
WNW
4
G9
NW
6
G12
NW
5
G10
NNW
4
G10
NW
4
G9
NNW
4
G9
NNW
3
G7
NNW
4
G8
N
5
G7
N
5
N
6
N
7
N
7
NNW
6
G10
NNW
4
G11
WNW
6
G10
SW
9
SW
9
G11
SSW
9
G14
SW
7
G12
SW
4
G15
SW
4
G12
W
5
G12
WNW
4
G9
WNW
3
G7
WNW
5
G8
WNW
3
G8
WNW
1
G7
SSE
3
G6
SE
4
G5
SE
5
SSE
5
SSE
4
S
3
G4
S
2
G6
S
3
G7
S
5
G9
S
6
S
6
S
5
G9
SSE
7
G9
SSE
7
S
11
S
10
G11
S
9
G17
S
9
G12
S
9
SSE
8
SSE
8
SSE
7
SSE
6
SSE
6
SSE
5
SSE
5
SSE
6
SSE
6
S
7
S
PRECIP
chance %
13%
13%
5%
4%
4%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
3%
6%
7%
7%
10%
10%
12%
9%
8%
6%
5%
4%
5%
5%
5%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
23%
23%
23%
23%
23%
23%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
23%
23%
23%
23%
23%
23%
10%
10%
10%
10%
10%
10%
3%
3%
3%
3%
3%
3%
13%
13%
13%
CLOUDS
cover %
100%
overcast
100%
66%
61%
0%
0%
2%
1%
19%
1%
0%
100%
76%
74%
89%
67%
0%
100%
100%
64%
100%
100%
93%
100%
81%
100%
100%
100%
100%
100%
43%
12%
100%
100%
100%
100%
95%
30%
6%
5%
54%
92%
100%
100%
25%
40%
100%
99%
100%
54%
57%
0%
0%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
44%
100%
100%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
37%
100%
100%
100%
76%
71%
69%
100%
0%
5%
6%
52%
58%
60%
63%
74%
87%
91%
78%
56%
36%
PRESSURE
hPa · trend
882
882880879884883881878880877876876878874874873877875875876
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:48 AM
SUNSET
08:05 PM
14H 17M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

34.4208, -117.8395
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #10263500·USGS

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