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 42 min ago
FLOW RATE
1.85cfs
GAUGE HT
1.15ft
AIR TEMP
65°F
WIND
2mph SSW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
1.85cfs 20.8% vs avg
Optimal band: 1–2 cfs
PERIOD HIGH
1.85cfs
PERIOD LOW
1.4cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

1.15ft
Precipitation History
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
85°
55°
WED
84°
57°
THU
83°
56°
FRI
82°
62°
SAT
76°
61°
SUN
76°
59°
MON
78°
59°
TIME
TUE
4
NOW
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
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
TEMP
hourly forecast
83°
mild
83°
81°
78°
75°
71°
67°
66°
64°
63°
62°
61°
59°
59°
57°
57°
60°
63°
68°
72°
76°
79°
82°
84°
82°
81°
79°
76°
72°
68°
64°
62°
59°
58°
56°
56°
59°
61°
63°
65°
66°
68°
71°
73°
76°
79°
82°
83°
83°
82°
80°
79°
76°
73°
71°
70°
69°
68°
66°
65°
63°
62°
63°
63°
64°
66°
68°
71°
74°
77°
79°
81°
82°
82°
80°
78°
76°
73°
70°
68°
67°
65°
63°
62°
62°
61°
61°
61°
62°
63°
65°
68°
70°
73°
75°
76°
76°
75°
75°
73°
71°
68°
66°
65°
64°
63°
62°
61°
60°
59°
59°
59°
60°
WIND
mph · gust · dir
7mph SSW
G 9 mph
7
G9
SSW
6
G7
SSW
5
G8
SW
4
SW
3
SW
1
S
1
SSE
0
G1
W
0
G1
S
1
WNW
1
G2
WNW
0
G1
W
1
SSW
1
S
1
SSE
1
SSW
3
G4
S
3
G7
SSW
6
G7
S
6
G9
S
7
G9
S
8
SSW
8
G9
SSW
8
SW
7
SW
6
G7
SW
5
SW
4
SW
2
G3
SW
1
S
2
SSE
3
SSE
2
SE
2
SE
2
SE
2
SE
2
SSE
2
G3
SE
2
G4
SSE
3
G4
SE
5
SSE
6
SSE
7
S
7
S
8
S
9
SSW
10
SSW
10
SSW
9
SW
9
SW
8
SW
6
SSW
5
SSW
3
G5
S
2
G5
SSE
2
G5
SE
3
G4
SE
3
G4
SSE
3
G5
SE
2
G5
SE
2
G5
ESE
3
G5
ENE
2
G4
E
3
G4
SE
4
SSE
5
S
6
S
7
S
7
S
8
SSW
9
SSW
10
SSW
9
SSW
9
SSW
9
SSW
8
SSW
7
S
6
G7
SSE
5
G7
SE
6
G7
SE
6
G7
ESE
5
SE
4
G5
SE
3
G4
SE
3
G5
ESE
3
G5
ESE
3
G5
ESE
3
G5
SSE
4
G5
S
4
G5
S
5
G6
S
6
G7
S
7
G8
S
9
S
10
G11
S
11
S
10
SSW
10
SSW
9
SSW
8
SSW
7
G8
SSW
6
G8
S
6
G7
SSE
7
G8
SE
8
SE
8
SE
8
SE
7
SE
5
SE
5
SSE
5
SSE
5
SSE
PRECIP
chance %
1%
1%
1%
1%
1%
1%
0%
1%
1%
1%
1%
1%
1%
1%
1%
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%
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 %
2%
clear
2%
2%
5%
5%
1%
1%
0%
1%
1%
1%
2%
4%
2%
18%
100%
78%
28%
7%
12%
11%
7%
4%
4%
4%
2%
5%
5%
4%
2%
0%
2%
3%
6%
17%
100%
75%
50%
25%
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%
7%
100%
100%
11%
12%
5%
0%
62%
68%
0%
0%
0%
22%
40%
52%
58%
52%
43%
24%
0%
0%
0%
0%
0%
0%
0%
0%
7%
35%
44%
32%
46%
55%
65%
69%
60%
45%
34%
33%
36%
PRESSURE
hPa · trend
964
964963962965963961960962961962960961960961960961959960960
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:08 PM
14H 27M OF DAYLIGHT4H 11M REMAINING
MOON PHASE
First Quarter
61% illuminated

Station Location

34.2222, -118.1776
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 15:57 UTC
Site #11098000·USGS

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