Waterlands
Arroyo Seco nr Pasadena Ca River
USGS · 11098000
ARROYO SECO NR PASADENA CA RIVER
USGS · 11098000LIVE

ARROYO SECO NR PASADENA CA

LOS ANGELES COUNTY, CA34.2222°N, -118.1776°W Updated 17 hr ago
FLOW RATE
1cfs
GAUGE HT
1.09ft
AIR TEMP
79°F
WIND
3mph WSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
1cfs 20.5% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
2cfs
PERIOD LOW
1cfs
RUNNABLE
65%
last 30 day in band

Gauge Height

1.09ft
Precipitation History
Your History · ARROYO SECO NR PASADENA CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
63°
MON
86°
65°
TUE
91°
68°
WED
95°
78°
THU
93°
75°
FRI
82°
69°
SAT
89°
70°
TIME
SUN
6
NOW
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
9
am
TEMP
hourly forecast
79°
mild
79°
76°
68°
68°
71°
68°
68°
68°
68°
66°
67°
65°
65°
68°
69°
73°
78°
82°
85°
83°
83°
86°
84°
82°
79°
75°
73°
72°
69°
70°
71°
71°
68°
70°
72°
73°
76°
77°
79°
80°
82°
84°
87°
89°
91°
91°
91°
91°
90°
89°
85°
84°
82°
81°
80°
80°
79°
78°
78°
78°
78°
79°
82°
84°
86°
88°
91°
94°
95°
95°
94°
94°
93°
91°
87°
86°
84°
82°
81°
80°
80°
79°
77°
78°
79°
79°
83°
84°
87°
89°
90°
92°
93°
93°
93°
92°
89°
84°
79°
77°
76°
75°
74°
73°
73°
72°
71°
69°
70°
71°
72°
74°
WIND
mph · gust · dir
5mph N
G 6 mph
5
G6
N
1
G5
SSW
2
S
4
SE
4
G5
SE
2
G3
ESE
1
SE
1
G2
NNE
2
G3
WNW
1
S
2
S
0
G1
N
5
SSE
1
G2
WSW
2
SE
3
SW
4
G6
SSW
4
G6
SSW
5
G8
SW
5
G6
SW
4
G5
SSW
6
SW
6
G7
SW
5
SW
3
WSW
4
SSW
2
SSW
1
G2
E
4
SE
2
ENE
2
SE
2
SE
3
S
1
WNW
3
S
2
SSW
1
N
2
SSW
5
SSW
6
S
7
SSW
7
SSW
8
SSW
8
SSW
9
SSW
9
SSW
8
SW
8
SSW
7
SSW
5
G6
SSW
5
S
4
SSE
3
SSE
3
SSW
2
G3
SW
3
SW
3
G4
SW
2
G4
SSE
2
G4
WNW
3
G4
W
1
G4
SW
2
G4
W
5
SW
5
SSW
6
S
7
SSW
7
SSW
7
SSW
9
SSW
9
SW
8
SW
8
SSW
6
SSW
6
S
4
S
4
SSE
5
S
4
S
3
SSW
2
G3
S
2
SW
2
G3
WSW
2
SSW
2
G3
NNW
2
NW
2
WNW
3
SW
5
SSW
6
SSW
7
S
8
G9
S
9
G10
SSW
9
G10
SSW
9
SSW
9
SSW
9
SSW
9
S
8
S
6
G7
S
4
G7
SSE
4
G5
SSE
3
SSE
3
S
0
G1
S
1
SW
3
SSW
2
SW
2
S
3
SSW
4
G5
SSW
4
G6
SSW
5
G7
SSW
PRECIP
chance %
8%
8%
3%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
3%
4%
7%
3%
4%
4%
4%
4%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
1%
1%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
4%
4%
4%
4%
CLOUDS
cover %
100%
overcast
100%
80%
8%
0%
0%
0%
100%
21%
10%
11%
100%
100%
100%
58%
100%
100%
44%
100%
100%
100%
100%
100%
85%
100%
100%
100%
53%
3%
100%
82%
92%
100%
2%
25%
51%
81%
100%
51%
51%
26%
43%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
6%
8%
5%
100%
6%
100%
5%
96%
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%
6%
5%
0%
5%
7%
6%
100%
54%
0%
0%
2%
4%
7%
PRESSURE
hPa · trend
963
963962963966964964963963960961960959956958958958958960960
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:50 AM
SUNSET
08:06 PM
14H 16M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

34.2222, -118.1776
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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #11098000·USGS

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