Waterlands
Arroyo Valle Bl Lang Cyn nr Livermore Ca River
USGS · 11176400
ARROYO VALLE BL LANG CYN NR LIVERMORE CA RIVER
USGS · 11176400LIVE

ARROYO VALLE BL LANG CYN NR LIVERMORE CA

ALAMEDA COUNTY, CA37.5613°N, -121.6838°W Updated 14 d ago
FLOW RATE
0cfs
AIR TEMP
72°F
WIND
7mph NNW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
0cfs 87.7% vs avg
Optimal band: 11 cfs
PERIOD HIGH
1cfs
PERIOD LOW
1cfs
RUNNABLE
100%
last 30 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

10.7in

≈ normal

10.65 in of precipitation so far this year — about average for this point in the season (normal 12.35 in).

YTD Total

10.7in

This year so far

Normal to Date

12.3in

30-yr average

Typical Range

5.8–18.9in

10th–90th pct YTD

Departure

-14%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.22" · normal 3.52" (0.8–7.6)
Jan
Feb: 4.80" · normal 3.62" (0.4–6.8)
Feb
Mar: 0.33" · normal 2.89" (0.5–5.3)
Mar
Apr: 2.58" · normal 1.47" (0.3–2.4)
Apr
May: 0.71" · normal 0.72" (0.1–1.5)
May
Jun: 0.01" (so far)· normal 0.18" (0.0–0.4)
Jun
Jul: normal 0.08" (0.0–0.1)
Jul
Aug: normal 0.10" (0.0–0.2)
Aug
Sep: normal 0.10" (0.0–0.3)
Sep
Oct: normal 0.91" (0.0–2.4)
Oct
Nov: normal 1.65" (0.4–2.9)
Nov
Dec: normal 3.18" (0.3–5.9)
Dec
Baseline 19912020 · Source: Open-Meteo05:23 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
87°
56°
WED
86°
55°
THU
91°
59°
FRI
80°
55°
SAT
71°
52°
SUN
84°
55°
MON
90°
58°
TIME
TUE
5
NOW
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
8
am
9
am
TEMP
hourly forecast
85°
mild
85°
82°
78°
74°
70°
66°
64°
62°
61°
60°
59°
57°
56°
55°
58°
62°
66°
70°
76°
81°
85°
86°
86°
86°
85°
81°
75°
70°
67°
64°
63°
62°
61°
59°
60°
60°
60°
61°
66°
74°
78°
82°
86°
89°
90°
91°
88°
86°
84°
81°
74°
67°
61°
59°
59°
57°
57°
57°
57°
56°
56°
55°
59°
66°
70°
74°
77°
77°
78°
79°
80°
79°
76°
73°
70°
65°
60°
59°
57°
57°
57°
57°
56°
56°
54°
52°
54°
58°
61°
63°
67°
69°
70°
70°
71°
70°
68°
65°
64°
60°
54°
53°
54°
55°
58°
59°
58°
57°
57°
60°
64°
68°
72°
WIND
mph · gust · dir
10mph NNW
G 11 mph
10
G11
NNW
9
G10
N
8
N
7
G8
NE
7
G8
NE
5
G6
NE
5
NE
4
G5
NE
5
NE
6
NE
5
NNE
4
NNE
5
NNE
5
NNE
4
NNE
5
NNE
6
G7
N
7
G8
N
9
G11
N
11
G12
N
11
G12
NNW
12
NNW
12
NNW
11
NNW
10
NNW
10
G11
NNW
9
G10
N
8
NNE
8
G9
NE
7
G8
NE
7
G8
NE
7
G8
NE
7
G8
NE
6
NE
7
E
6
ESE
5
SSE
6
SSW
4
G6
SSW
3
G5
WSW
4
G5
W
5
G6
W
5
G7
W
6
G7
W
8
W
11
WSW
13
WSW
12
WSW
10
G11
WSW
10
WSW
9
SW
8
SW
8
SW
8
SSW
8
SSW
8
SW
8
SW
8
SSW
8
SW
7
SW
7
SW
7
SSW
7
SW
6
G7
SW
6
G8
WSW
7
G8
WSW
8
G10
WSW
9
G12
WSW
9
G13
WSW
9
G12
WSW
9
G12
WSW
10
G12
W
10
G12
WSW
9
G11
WSW
9
G11
WSW
8
G10
SW
8
SW
7
SW
7
G8
SW
7
SW
7
G8
SW
7
G8
SW
7
G9
SW
7
G11
WSW
7
G9
SW
7
G8
SW
7
G10
SW
7
G11
SW
8
G13
WSW
8
G12
WSW
9
G13
WSW
9
G13
WSW
10
G15
WSW
10
G15
W
9
G14
WSW
11
G14
W
10
G14
W
8
G12
WSW
7
G10
WSW
6
G7
SW
6
SSW
6
SSW
6
SSW
5
SSW
4
SSW
3
G4
SSW
3
SSW
2
SSW
2
SW
1
G2
NW
3
N
4
N
5
N
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%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
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%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
1%
2%
2%
2%
2%
2%
3%
4%
11%
10%
3%
5%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
5%
52%
11%
100%
8%
7%
5%
5%
6%
100%
100%
11%
6%
48%
100%
100%
100%
99%
80%
55%
48%
100%
30%
100%
100%
100%
100%
19%
6%
0%
7%
7%
0%
0%
18%
38%
38%
28%
30%
26%
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%
PRESSURE
hPa · trend
987
987986986988986985984985984985985986985986985986985985985
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
08:31 PM
14H 45M OF DAYLIGHT3H 7M REMAINING
MOON PHASE
First Quarter
61% illuminated

Station Location

37.5613, -121.6838
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 17:24 UTC
Site #11176400·USGS

Create a free account to save favorites, set flow alerts, and track conditions