Waterlands
Alameda C Flood Channel A Union City Ca River
USGS · 11180700
ALAMEDA C FLOOD CHANNEL A UNION CITY CA RIVER
USGS · 11180700LIVE

ALAMEDA C FLOOD CHANNEL A UNION CITY CA

UNION CITY, CA37.5858°N, -122.0483°W Updated 9 hr ago
FLOW RATE
17cfs
AIR TEMP
57°F
WIND
4mph NNW
FISH INDEX
88SCORE / 100
EPIC · 5 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
17cfs 17.1% vs avg
Optimal band: 913 cfs
PERIOD HIGH
17cfs
PERIOD LOW
8cfs
RUNNABLE
75%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

14.4in

≈ normal

14.45 in of precipitation so far this year — about average for this point in the season (normal 13.16 in).

YTD Total

14.4in

This year so far

Normal to Date

13.2in

30-yr average

Typical Range

6.0–21.6in

10th–90th pct YTD

Departure

+10%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.40" · normal 3.69" (0.8–7.7)
Jan
Feb: 4.88" · normal 3.85" (0.4–7.6)
Feb
Mar: 0.54" · normal 3.03" (0.5–5.9)
Mar
Apr: 5.01" · normal 1.69" (0.3–3.3)
Apr
May: 0.54" · normal 0.78" (0.0–1.6)
May
Jun: 0.08" (so far)· normal 0.16" (0.0–0.4)
Jun
Jul: normal 0.04" (0.0–0.1)
Jul
Aug: normal 0.04" (0.0–0.1)
Aug
Sep: normal 0.09" (0.0–0.2)
Sep
Oct: normal 0.91" (0.0–2.6)
Oct
Nov: normal 1.81" (0.5–3.3)
Nov
Dec: normal 3.35" (0.2–6.3)
Dec
Baseline 19912020 · Source: Open-Meteo05:43 AM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
72°
56°
WED
72°
54°
THU
80°
60°
FRI
75°
60°
SAT
69°
58°
SUN
79°
55°
MON
85°
57°
TIME
TUE
10
NOW
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
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
TEMP
hourly forecast
61°
mild
61°
65°
69°
70°
72°
72°
71°
69°
66°
62°
60°
58°
57°
56°
55°
55°
55°
55°
55°
54°
54°
55°
56°
58°
61°
66°
70°
72°
72°
72°
70°
68°
65°
62°
59°
59°
60°
61°
63°
63°
62°
62°
61°
61°
60°
62°
65°
68°
72°
76°
79°
80°
80°
77°
75°
74°
72°
69°
66°
64°
63°
62°
62°
62°
61°
61°
61°
60°
60°
61°
63°
66°
69°
71°
72°
74°
75°
75°
74°
73°
71°
68°
66°
64°
64°
64°
63°
62°
61°
60°
60°
59°
60°
60°
61°
63°
66°
67°
68°
69°
69°
69°
68°
66°
64°
62°
61°
59°
59°
58°
57°
57°
WIND
mph · gust · dir
3mph NW
G 4 mph
3
G4
NW
4
G5
NW
7
G8
NW
9
G11
NW
10
G13
NW
11
G14
NW
12
G15
NW
12
G17
NNW
13
G18
NNW
12
G18
NNW
11
G18
NNW
11
G16
NNW
9
G15
NNW
8
G13
NNW
7
G13
N
6
G11
NNW
5
G9
NNW
5
G8
NNW
5
G7
NNW
4
G6
NNW
4
G6
NNW
4
G6
NNW
3
G4
NNW
4
NW
4
G5
NW
5
G6
NW
7
G8
NW
9
G11
NW
11
G14
NW
12
G15
NW
12
G16
NW
13
G17
NNW
13
G17
NNW
12
G17
NNW
10
G15
NNW
8
G13
NNW
7
G10
NW
4
G6
W
2
G4
SW
2
G4
WSW
2
G4
SSW
2
G4
SW
3
G4
SSW
3
G5
S
3
G6
S
4
G5
SSW
4
G5
SSW
4
G5
SW
4
G5
WSW
4
G6
WSW
6
G7
W
9
WNW
11
WNW
12
G13
WNW
10
G14
WNW
10
G14
WNW
9
G13
WNW
8
G12
WNW
6
G12
WNW
5
G10
W
3
G9
WSW
4
G8
WSW
4
G7
SSW
5
G6
S
4
G8
SW
4
G7
SSW
3
G7
S
4
G6
S
4
G6
S
3
G8
SW
4
G9
SW
5
G10
W
8
G12
W
9
G13
W
9
G14
W
10
G15
WNW
11
G16
WNW
11
G17
W
10
G15
W
11
G17
WNW
10
G16
WNW
9
G15
W
7
G15
W
6
G12
W
7
G12
W
6
G11
W
6
G11
W
6
G12
W
7
G10
WSW
7
G11
W
8
G12
W
9
G13
W
10
G15
W
10
G15
W
11
G16
W
12
G16
W
13
G17
W
15
G18
W
15
G19
W
16
G19
W
16
G19
W
16
G19
W
18
G21
W
17
G21
W
15
G21
W
14
G21
W
11
G20
WSW
9
G16
WSW
5
G11
WSW
3
G7
SW
2
G5
SSW
3
G4
S
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%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
17%
17%
17%
17%
17%
17%
5%
5%
5%
5%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
60%
partly
60%
13%
9%
7%
5%
4%
3%
3%
7%
14%
21%
36%
36%
18%
24%
100%
100%
100%
100%
100%
100%
100%
100%
100%
64%
14%
7%
4%
4%
4%
3%
4%
6%
8%
10%
23%
16%
7%
0%
0%
0%
0%
0%
0%
5%
5%
0%
0%
0%
0%
0%
0%
6%
5%
5%
7%
8%
11%
7%
58%
100%
10%
10%
11%
86%
100%
100%
100%
100%
100%
36%
48%
48%
33%
0%
14%
7%
7%
7%
15%
0%
10%
36%
62%
100%
100%
100%
57%
63%
100%
100%
100%
100%
100%
100%
100%
63%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
1016
1016101510161016101610141013101110121011101210121013101210131013101410131013
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
88
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:47 AM
SUNSET
08:33 PM
14H 46M OF DAYLIGHT10H 59M REMAINING
MOON PHASE
First Quarter
58% illuminated

Station Location

37.5858, -122.0483
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 09:34 UTC
Site #11180700·USGS

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