Waterlands
Colgan C nr Santa Rosa Ca River
USGS · 11465690
COLGAN C NR SANTA ROSA CA RIVER
USGS · 11465690LIVE

COLGAN C NR SANTA ROSA CA

SANTA ROSA, CA38.4021°N, -122.7330°W Updated 72 d ago
FLOW RATE
1cfs
GAUGE HT
98.71ft
AIR TEMP
58°F
WIND
3mph S
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
1cfs NaN% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
78cfs
PERIOD LOW
1cfs
RUNNABLE
55%
last 1 year in band

Gauge Height

98.71ft
Precipitation History
Your History · COLGAN C NR SANTA ROSA CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
84°
52°
MON
83°
55°
TUE
96°
59°
WED
95°
56°
THU
91°
52°
FRI
94°
52°
SAT
84°
50°
TIME
SUN
4
NOW
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
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
TEMP
hourly forecast
80°
mild
80°
78°
75°
71°
67°
64°
62°
61°
60°
59°
57°
56°
56°
55°
55°
57°
63°
69°
75°
80°
83°
79°
80°
83°
83°
82°
77°
74°
72°
69°
66°
65°
64°
62°
61°
60°
61°
62°
62°
66°
74°
81°
88°
93°
96°
94°
91°
90°
90°
89°
85°
80°
71°
63°
61°
59°
58°
58°
58°
57°
57°
56°
56°
61°
69°
77°
84°
90°
94°
95°
91°
89°
87°
86°
84°
81°
72°
62°
59°
58°
57°
56°
56°
55°
54°
53°
52°
56°
63°
70°
77°
84°
89°
91°
90°
87°
83°
82°
79°
74°
66°
58°
57°
57°
55°
54°
53°
52°
52°
52°
55°
59°
WIND
mph · gust · dir
11mph SW
G 13 mph
11
G13
SW
9
G10
SW
8
G9
SW
7
G8
SW
7
G8
S
5
G7
S
3
G4
S
3
G5
SSE
4
SE
5
G6
SSE
3
G5
S
1
G2
W
1
G2
ESE
1
G2
SW
1
G2
SSW
1
G2
NW
1
N
1
G2
W
1
SSW
4
S
6
G7
SW
8
G9
SW
9
G11
SW
6
G7
SW
6
G8
SW
6
S
7
G9
S
7
G9
SW
5
G7
SSW
5
G7
SSW
5
G7
SSE
5
G6
SE
5
G7
SSE
3
S
3
G4
S
3
G4
SSW
3
SW
3
WSW
1
W
1
WSW
1
WSW
2
WSW
3
WSW
5
WSW
9
WSW
12
WSW
11
WSW
11
SW
7
G11
SW
7
G11
SW
6
G11
SW
6
G8
SW
4
G6
SSW
3
SSW
3
SW
2
G3
SW
2
G3
SW
2
WSW
2
SW
2
SSE
2
SSE
2
SSE
1
S
1
S
1
WSW
2
WSW
3
WSW
5
WSW
8
WSW
10
WSW
12
SW
10
SW
8
G10
SSW
7
G9
SSW
6
G10
SSW
6
G7
SSW
4
G7
SSW
4
SSW
3
SSW
2
G3
SSW
2
G3
SSW
2
G3
SSW
2
G3
SSW
1
G3
SW
2
G3
WSW
1
G2
WSW
1
G2
WSW
2
G3
WSW
3
W
4
W
4
W
4
WSW
6
WSW
9
SW
11
SW
12
SW
11
SW
8
SSW
7
SSW
6
SSW
4
G6
S
3
G4
S
4
SSE
4
SE
4
SE
4
ESE
4
ESE
3
ESE
3
ESE
2
ESE
2
SE
3
SE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
3%
3%
3%
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%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
81%
100%
63%
100%
100%
100%
100%
100%
50%
50%
100%
100%
100%
100%
100%
100%
85%
100%
100%
100%
100%
27%
11%
18%
1%
0%
0%
0%
32%
0%
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%
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%
23%
53%
68%
54%
24%
PRESSURE
hPa · trend
1010
1010100810091010101010101009100910081009100910081005100610051006100410041005
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:57 AM
SUNSET
08:35 PM
14H 38M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

38.4021, -122.7330
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-05-01 00:00 UTC
Site #11465690·USGS

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