Waterlands
Arroyo Valle nr Livermore Ca River
USGS · 11176500
ARROYO VALLE NR LIVERMORE CA RIVER
USGS · 11176500LIVE

ARROYO VALLE NR LIVERMORE CA

ALAMEDA COUNTY, CA37.6232°N, -121.7588°W Updated 18 hr ago
FLOW RATE
14cfs
AIR TEMP
72°F
WIND
8mph W
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
14cfs 5.4% vs avg
Optimal band: 79 cfs
PERIOD HIGH
16cfs
PERIOD LOW
1cfs
RUNNABLE
31%
last 1 year 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-Meteo05:32 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
82°
56°
WED
81°
55°
THU
84°
53°
FRI
74°
56°
SAT
68°
53°
SUN
82°
49°
MON
88°
51°
TIME
TUE
7
NOW
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
10
am
TEMP
hourly forecast
73°
mild
73°
67°
62°
59°
58°
57°
56°
56°
55°
55°
55°
55°
56°
58°
62°
66°
72°
76°
79°
80°
81°
80°
79°
76°
72°
68°
63°
60°
58°
56°
55°
54°
53°
54°
54°
53°
57°
62°
69°
73°
77°
80°
82°
84°
81°
78°
74°
73°
71°
66°
62°
60°
59°
57°
56°
56°
56°
56°
56°
56°
57°
61°
64°
68°
69°
70°
74°
73°
74°
73°
71°
69°
66°
63°
60°
61°
60°
60°
60°
59°
58°
58°
57°
57°
57°
59°
60°
63°
65°
66°
68°
68°
68°
67°
65°
64°
62°
58°
55°
54°
53°
52°
51°
50°
49°
49°
49°
51°
55°
59°
64°
69°
WIND
mph · gust · dir
12mph WSW
G 14 mph
12
G14
WSW
11
G13
WSW
10
G14
WSW
9
G12
WSW
8
G11
WSW
6
G11
WSW
6
G12
WSW
4
G11
WSW
5
G12
WSW
6
G11
WSW
7
G11
W
8
G12
W
9
G13
W
10
G13
W
12
G14
W
12
G15
W
14
G16
W
14
G16
W
14
G16
W
13
G15
W
14
G16
W
14
G16
W
14
G16
W
13
G15
W
11
G13
W
9
G11
WSW
6
G10
WSW
4
G7
WSW
3
G8
WSW
3
G9
SW
3
G10
SW
3
G10
SW
5
G9
SW
5
G7
WSW
6
WSW
6
SW
6
SW
6
WSW
6
WSW
7
WSW
9
WSW
11
WSW
13
WSW
15
WSW
18
WSW
17
WSW
17
SW
17
SW
16
SW
16
SW
15
SW
15
SW
15
SW
14
SW
14
SW
14
SW
13
SW
13
SW
11
SW
12
SW
13
SW
14
SW
13
WSW
16
WSW
15
WSW
16
WSW
17
WSW
18
WSW
17
WSW
17
WSW
17
WSW
18
WSW
16
WSW
15
WSW
15
SW
15
SW
16
SW
15
SW
16
SW
15
WSW
14
WSW
14
WSW
15
WSW
15
SW
13
SW
16
WSW
15
SW
16
WSW
16
WSW
16
WSW
16
WSW
17
WSW
17
WSW
17
WSW
18
WSW
19
SW
18
SW
17
SW
15
SW
13
SW
10
SW
9
SW
7
SW
6
SW
5
SSW
5
SW
5
SSW
5
SSW
4
SW
3
G4
WSW
2
G4
W
3
G4
NW
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%
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%
1%
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 %
0%
clear
0%
0%
2%
3%
6%
8%
12%
16%
29%
100%
100%
100%
92%
35%
7%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
4%
8%
14%
14%
38%
17%
0%
0%
0%
0%
0%
0%
0%
0%
6%
0%
0%
0%
0%
0%
0%
5%
5%
7%
38%
66%
100%
63%
100%
100%
94%
100%
8%
100%
5%
5%
11%
14%
6%
6%
5%
0%
0%
0%
0%
3%
67%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
11%
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
995
995995995995993993992991992993993993993993994993992992993
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
08:32 PM
14H 46M OF DAYLIGHT1H 38M REMAINING
MOON PHASE
First Quarter
62% illuminated

Station Location

37.6232, -121.7588
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 18:54 UTC
Site #11176500·USGS

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