WaterLands
Alameda C Ab Div Dam nr Sunol Ca River
USGS · 11172945
ALAMEDA C AB DIV DAM NR SUNOL CA RIVER
USGS · 11172945LIVE

ALAMEDA C AB DIV DAM NR SUNOL CA

ALAMEDA COUNTY, CA37.4974°N, -121.7736°W Updated 21 min ago
FLOW RATE
2.06cfs
GAUGE HT
2.00ft
WATER TEMP
17°F
AIR TEMP
70°F
WIND
5mph SSW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
2.06cfs 30.4% vs avg
Optimal band: 22 cfs
PERIOD HIGH
2.15cfs
PERIOD LOW
1.8cfs
RUNNABLE
0%
last 1 day in band

Gauge Height

2.00ft

Water Temperature

16.7°F
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

14.2in

≈ normal

14.22 in of precipitation so far this year — about average for this point in the season (normal 13.53 in).

YTD Total

14.2in

This year so far

Normal to Date

13.5in

30-yr average

Typical Range

5.8–21.8in

10th–90th pct YTD

Departure

+5%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.03" · normal 3.81" (0.8–7.7)
Jan
Feb: 4.97" · normal 3.93" (0.4–7.8)
Feb
Mar: 0.34" · normal 3.24" (0.5–6.5)
Mar
Apr: 5.28" · normal 1.63" (0.3–3.3)
Apr
May: 0.60" · normal 0.85" (0.1–1.5)
May
Jun: 0.00" (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 0.11" (0.0–0.3)
Sep
Oct: normal 0.91" (0.0–2.4)
Oct
Nov: normal 1.82" (0.4–3.7)
Nov
Dec: normal 3.34" (0.3–6.4)
Dec
Baseline 19912020 · Source: Open-Meteo03:21 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
86°
57°
SAT
73°
53°
SUN
80°
49°
MON
70°
52°
TUE
72°
49°
WED
82°
46°
THU
94°
61°
TIME
FRI
3
NOW
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
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
TEMP
hourly forecast
86°
mild
86°
85°
82°
80°
78°
75°
69°
66°
64°
63°
61°
59°
57°
55°
54°
54°
55°
57°
59°
63°
67°
71°
72°
73°
72°
70°
68°
66°
63°
60°
57°
54°
53°
53°
52°
52°
50°
50°
49°
49°
56°
61°
65°
69°
72°
75°
77°
80°
80°
79°
75°
71°
67°
60°
56°
54°
53°
52°
52°
52°
52°
52°
52°
53°
56°
60°
63°
65°
65°
61°
67°
68°
70°
70°
67°
64°
60°
59°
58°
59°
59°
59°
59°
59°
59°
59°
58°
58°
58°
60°
63°
64°
62°
64°
69°
72°
72°
71°
69°
66°
61°
55°
50°
49°
49°
48°
47°
47°
46°
46°
47°
51°
56°
WIND
mph · gust · dir
10mph NW
G 11 mph
10
G11
NW
10
G11
NW
10
G11
NW
9
G10
NW
5
G6
WNW
5
G6
S
6
G7
SE
5
G7
SSE
6
G7
SSE
5
SSE
4
G5
SE
7
SSE
7
G8
SSE
7
G8
SSE
7
G8
SSE
7
G9
SSE
9
G10
SSE
9
G11
S
9
G10
SSW
10
SSW
9
G10
SSW
10
G11
SW
11
WSW
11
G12
WSW
11
G13
W
11
G13
W
11
G13
W
9
G12
W
7
G10
WSW
8
G10
SSW
8
G10
SSE
9
G11
SSE
9
G11
SSE
8
G10
SSE
8
G10
SSE
6
G8
SSE
5
SSE
3
G4
SSE
3
G4
SE
3
SE
0
G1
N
4
G5
NNW
4
G5
N
5
N
5
G6
N
5
G6
NNW
6
NW
6
WNW
8
W
9
W
8
G9
W
8
G10
WSW
7
G9
WSW
6
G7
SW
6
SSW
6
SSW
6
SSW
6
SSW
6
SSW
6
SSW
6
SSW
6
SSW
5
SSW
5
SSW
5
SSW
6
SW
7
G8
SW
7
G10
WSW
7
G10
WSW
6
G7
WSW
7
G10
WSW
7
G10
W
8
G11
W
8
G11
W
7
G10
W
6
G8
W
5
G7
WSW
4
SW
3
WSW
3
G4
SW
3
G4
SSW
3
G4
SW
3
G4
SSW
3
G4
SSW
3
G4
SSW
3
SW
3
SW
3
G4
WSW
3
SW
4
SW
5
WSW
5
W
6
W
7
WSW
7
W
10
W
11
WNW
10
W
8
G10
W
9
G11
WSW
8
G11
WSW
7
G9
SW
6
SSW
6
SSW
6
SSW
6
SSW
6
S
5
S
5
S
4
SSE
2
SE
1
G3
E
3
G5
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%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
89%
100%
100%
100%
100%
83%
0%
0%
0%
0%
0%
2%
0%
77%
100%
100%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
8%
11%
18%
97%
100%
100%
11%
43%
66%
74%
100%
17%
98%
100%
100%
100%
100%
100%
100%
100%
100%
92%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
49%
80%
100%
85%
48%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
976
976974975976977975975977975976977978978979977978977978977
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
08:25 PM
14H 39M OF DAYLIGHT5H 4M REMAINING
MOON PHASE
Waning Gibbous
73% illuminated

Station Location

37.4974, -121.7736
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-05 15:21 UTC
Site #11172945·USGS

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