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 1 hr ago
FLOW RATE
1.01cfs
GAUGE HT
1.09ft
AIR TEMP
67°F
WIND
1mph NW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
1.01cfs 45.7% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
1.13cfs
PERIOD LOW
0.69cfs
RUNNABLE
0%
last 1 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
89°
60°
SUN
91°
62°
MON
90°
66°
TUE
93°
72°
WED
98°
78°
THU
97°
80°
FRI
87°
76°
TIME
SUN
7
NOW
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
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
TEMP
hourly forecast
67°
mild
67°
73°
78°
81°
85°
87°
87°
91°
89°
89°
85°
83°
79°
74°
71°
70°
68°
71°
72°
69°
67°
66°
67°
66°
67°
69°
72°
75°
78°
83°
90°
89°
88°
88°
87°
86°
84°
80°
79°
78°
78°
77°
77°
75°
77°
76°
74°
72°
74°
77°
78°
81°
84°
85°
88°
91°
93°
92°
91°
89°
87°
85°
84°
84°
82°
81°
80°
79°
79°
78°
79°
78°
80°
82°
84°
86°
89°
92°
95°
98°
98°
98°
97°
97°
95°
93°
91°
89°
86°
84°
82°
82°
82°
81°
81°
80°
82°
84°
86°
89°
91°
93°
95°
97°
97°
96°
95°
91°
87°
83°
82°
82°
WIND
mph · gust · dir
1mph ESE
G 2 mph
1
G2
ESE
1
SW
3
WSW
3
SW
5
SSW
8
G9
S
10
G12
SSE
7
G10
SSW
7
G8
SW
7
SW
4
SW
4
G5
WSW
4
SW
3
SSW
2
SE
4
G5
SE
1
G3
S
1
NW
1
G2
WNW
2
G3
NW
0
G1
SE
2
ESE
6
G7
S
1
WNW
4
SSE
3
S
4
G5
S
6
G10
S
5
G8
SSW
4
G5
SSW
5
SW
7
G8
SSW
8
SSW
7
SW
7
SW
7
SSW
6
SSW
4
SSW
3
S
3
SSE
2
SSE
3
SSW
4
SW
3
SW
3
ESE
3
SE
4
SSW
4
SW
1
G3
NNE
4
SSW
5
SSW
6
S
6
S
6
SSW
7
SSW
8
SSW
9
SSW
8
SSW
8
SSW
7
SSW
6
SSW
4
SSW
4
SSE
4
SSE
4
S
2
S
2
G3
S
1
G2
SW
3
SW
1
G3
SW
2
G3
WSW
3
W
3
WSW
4
SW
6
SSW
6
SSW
6
S
6
SSW
6
SSW
8
SSW
9
SSW
8
SW
7
SW
6
SSW
4
SSW
3
S
3
SSE
3
SSE
3
SSW
3
S
3
G4
S
2
SW
2
SSW
1
G2
W
2
G3
W
2
W
1
G2
W
4
SW
5
SW
5
SSW
6
S
7
SSW
8
G11
SSW
10
G12
SSW
9
G10
SSW
8
G9
SW
10
SSW
9
S
8
S
7
G8
SSE
5
G6
SSE
2
G4
S
PRECIP
chance %
0%
0%
0%
0%
0%
1%
1%
2%
2%
3%
3%
4%
4%
4%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
3%
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%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
6%
6%
6%
6%
1%
1%
1%
1%
1%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
21%
87%
34%
100%
100%
4%
48%
3%
4%
0%
0%
28%
100%
97%
100%
81%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
85%
89%
100%
67%
68%
48%
10%
11%
10%
57%
88%
100%
89%
95%
89%
100%
100%
100%
100%
100%
100%
100%
62%
79%
66%
11%
5%
6%
6%
6%
6%
5%
70%
100%
10%
6%
15%
11%
100%
100%
7%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
24%
53%
PRESSURE
hPa · trend
963
963965962963964966962963963962960960960959957958958958958
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:49 AM
SUNSET
08:06 PM
14H 17M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

34.2222, -118.1776
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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 05:15 UTC
Site #11098000·USGS

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