Waterlands
Old River
USGS · 11313315
OLD RIVER
USGS · 11313315LIVE

OLD RIVER NEAR BYRON CA

CONTRA COSTA COUNTY, CA37.8910°N, -121.5702°W Updated 5 hr ago
FLOW RATE
767cfs
GAUGE HT
3.13ft
AIR TEMP
72°F
WIND
3mph NW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
767cfs
Optimal band: 1,454–1,966 cfs
PERIOD HIGH
3,040cfs
PERIOD LOW
717cfs
RUNNABLE
38%
last 1 day in band

Gauge Height

3.13ft
Precipitation History
Your History · OLD RIVER NEAR BYRON CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
92°
56°
SAT
94°
57°
SUN
93°
59°
MON
93°
54°
TUE
97°
53°
WED
101°
54°
THU
104°
57°
TIME
SAT
6
NOW
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
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
TEMP
hourly forecast
57°
mild
57°
60°
67°
72°
78°
83°
87°
91°
93°
94°
93°
92°
90°
86°
81°
75°
73°
71°
68°
66°
63°
62°
61°
60°
59°
62°
67°
72°
76°
79°
79°
77°
79°
85°
91°
93°
93°
89°
79°
69°
65°
62°
61°
59°
58°
57°
55°
54°
54°
58°
63°
69°
76°
82°
86°
90°
93°
93°
92°
91°
85°
82°
73°
63°
59°
57°
56°
55°
54°
54°
53°
53°
53°
57°
63°
69°
76°
83°
88°
93°
95°
97°
96°
94°
91°
82°
73°
64°
61°
59°
57°
57°
56°
55°
55°
54°
56°
60°
65°
71°
78°
84°
90°
94°
98°
100°
101°
100°
94°
86°
79°
73°
WIND
mph · gust · dir
5mph ESE
G 7 mph
5
G7
ESE
1
ENE
2
G8
NW
2
G9
NNW
1
G7
NNW
1
G6
WSW
1
G6
W
3
G6
WSW
6
G7
WSW
10
G12
WSW
11
G12
WSW
11
G13
W
11
G13
W
10
G13
W
6
G11
W
5
G8
WSW
5
G7
SW
4
G6
WSW
3
G7
W
6
ENE
4
G6
SE
4
SE
5
G6
E
3
G4
E
4
E
2
G3
NE
0
G3
W
1
G6
SW
3
G11
W
4
G5
WNW
8
G12
W
8
G11
W
8
G11
WSW
4
G6
W
9
WNW
9
W
10
WSW
10
WSW
12
WSW
9
G16
WSW
9
G14
WSW
8
W
7
W
7
W
6
WNW
6
WNW
6
W
6
W
6
W
5
W
5
WNW
5
WNW
4
WNW
5
W
7
WSW
10
WSW
11
SW
14
WSW
14
WSW
14
WSW
15
WSW
13
WSW
11
G15
WSW
11
G16
WSW
10
G13
WSW
9
WSW
8
WSW
8
WSW
6
W
6
W
6
W
6
W
6
W
5
WNW
5
G6
WNW
4
G6
WNW
4
G6
WNW
4
G5
WNW
4
G5
W
6
W
9
WSW
13
WSW
14
WSW
15
WSW
14
WSW
14
WSW
13
G16
WSW
12
G14
WSW
10
G15
WSW
9
WSW
8
W
7
W
7
W
7
W
7
W
7
W
6
W
5
G6
W
5
G7
WNW
5
G8
WNW
6
G8
WNW
7
NW
7
NW
8
NW
7
NW
8
WNW
10
W
13
WSW
13
WSW
13
G14
WSW
12
G15
WSW
12
G14
WSW
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%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
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%
CLOUDS
cover %
0%
clear
0%
1%
0%
0%
0%
0%
0%
0%
4%
44%
86%
100%
100%
56%
2%
11%
93%
100%
100%
100%
3%
8%
100%
87%
5%
1%
1%
32%
100%
100%
100%
100%
100%
90%
86%
83%
36%
11%
0%
100%
100%
100%
0%
0%
0%
0%
0%
100%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
0%
0%
0%
27%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
5%
0%
6%
7%
9%
6%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
1014
1014101510131014101410141010101210131013101010131014101410111014101410141009
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:48 AM
SUNSET
08:32 PM
14H 44M OF DAYLIGHT14H 49M REMAINING
MOON PHASE
Waning Gibbous
81% illuminated

Station Location

37.8910, -121.5702
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-04 05:43 UTC
Site #11313315·USGS

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