Waterlands
Pilarcitos C Bl Stone Dam nr Hillsborough Ca River
USGS · 11162620
PILARCITOS C BL STONE DAM NR HILLSBOROUGH CA RIVER
USGS · 11162620LIVE

PILARCITOS C BL STONE DAM NR HILLSBOROUGH CA

SAN MATEO COUNTY, CA37.5246°N, -122.3994°W Updated 2 hr ago
FLOW RATE
2cfs
AIR TEMP
55°F
WIND
16mph WSW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
2cfs 4.1% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
2cfs
PERIOD LOW
1cfs
RUNNABLE
88%
last 7 day in band
Precipitation History
Your History · PILARCITOS C BL STONE DAM NR HILLSBOROUGH CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
65°
52°
SUN
57°
51°
MON
71°
50°
TUE
69°
56°
WED
80°
54°
THU
75°
55°
FRI
84°
54°
TIME
SUN
2
NOW
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
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
TEMP
hourly forecast
52°
mild
52°
52°
52°
51°
51°
52°
52°
53°
54°
54°
55°
56°
57°
57°
55°
55°
54°
54°
54°
53°
53°
52°
52°
51°
51°
51°
51°
50°
50°
51°
51°
54°
58°
64°
70°
71°
70°
70°
69°
68°
65°
62°
59°
58°
57°
57°
56°
56°
57°
56°
56°
56°
56°
57°
57°
60°
63°
65°
68°
69°
69°
69°
69°
68°
66°
63°
60°
58°
57°
57°
56°
55°
55°
55°
54°
54°
54°
55°
57°
61°
66°
70°
75°
78°
80°
79°
77°
75°
71°
69°
65°
62°
60°
58°
58°
57°
57°
56°
56°
55°
55°
56°
59°
63°
67°
71°
73°
75°
75°
75°
73°
71°
68°
WIND
mph · gust · dir
11mph WSW
G 15 mph
11
G15
WSW
11
G15
WSW
10
G15
WSW
10
G15
WSW
11
G16
WSW
10
G14
WSW
10
G14
SW
11
G16
WSW
11
G16
SW
12
G17
SW
13
G19
WSW
14
G21
WSW
15
G21
WSW
16
G22
WSW
16
G22
WSW
17
G23
WSW
17
G22
WSW
16
G22
WSW
14
G20
WSW
13
G20
WSW
13
G19
WSW
12
G17
WSW
11
G16
WSW
10
G15
WSW
9
G14
WSW
10
G15
WSW
10
G16
WSW
10
G15
WSW
10
G15
WSW
11
G16
WSW
11
G16
WSW
9
G13
WSW
8
G10
WSW
7
G9
WSW
7
WSW
8
WSW
9
G10
WSW
9
G10
WSW
8
G10
WSW
8
G10
WSW
8
G10
WSW
8
G10
W
7
G9
WSW
6
G7
W
6
G7
W
6
G7
WSW
6
G7
W
6
G7
W
6
G7
W
7
G8
W
6
G8
W
6
G7
W
5
G6
W
5
G6
W
5
G6
WSW
5
G6
W
6
G7
WSW
7
W
7
G8
W
9
G10
WSW
11
WSW
8
G11
W
8
G10
W
8
G11
W
7
G11
W
8
G11
W
7
G11
W
7
WSW
6
G8
WSW
6
G8
WSW
6
G7
SW
6
G8
WSW
5
G7
WSW
5
G7
SW
5
G6
SW
5
G6
SW
4
G5
SW
4
G5
SW
4
G5
SW
4
SW
4
SW
4
G5
WSW
4
G6
WSW
4
G7
WSW
6
G8
WSW
7
G9
WSW
7
G9
WSW
7
G10
WSW
7
G10
WSW
6
G9
WSW
7
G8
WSW
7
SW
7
SW
7
SW
7
SW
7
SW
7
SW
6
SW
6
SW
6
SW
6
SSW
6
SW
6
SW
6
SW
6
SW
6
SW
7
SW
7
G8
WSW
7
G9
WSW
8
G10
WSW
8
G10
WSW
8
G11
WSW
7
G10
WSW
PRECIP
chance %
2%
2%
2%
3%
3%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
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%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
76%
50%
25%
0%
0%
0%
0%
0%
0%
0%
0%
0%
10%
62%
65%
73%
100%
100%
100%
100%
100%
100%
100%
92%
57%
47%
13%
100%
6%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
19%
31%
40%
15%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
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
987
987988989988989989988988988989990990989990989987986986985
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Ideal
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:53 AM
SUNSET
08:34 PM
14H 41M OF DAYLIGHT
MOON PHASE
Waning Gibbous
74% illuminated

Station Location

37.5246, -122.3994
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC
Site #11162620·USGS

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