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 22 hr ago
FLOW RATE
2cfs
AIR TEMP
63°F
WIND
13mph WSW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
2cfs 4.2% 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
64°
52°
SUN
57°
52°
MON
71°
50°
TUE
69°
56°
WED
79°
54°
THU
75°
55°
FRI
78°
54°
TIME
SAT
10
NOW
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
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
TEMP
hourly forecast
53°
mild
53°
53°
52°
52°
52°
52°
52°
52°
52°
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°
71°
71°
70°
70°
69°
67°
65°
62°
59°
58°
57°
56°
56°
56°
56°
56°
56°
56°
56°
57°
58°
60°
63°
67°
69°
68°
69°
68°
68°
67°
65°
63°
61°
58°
57°
57°
56°
55°
55°
55°
54°
55°
54°
55°
57°
61°
66°
70°
73°
76°
78°
79°
77°
74°
71°
68°
65°
61°
59°
58°
58°
57°
56°
56°
56°
55°
56°
56°
58°
61°
66°
69°
72°
74°
75°
WIND
mph · gust · dir
11mph WSW
G 15 mph
11
G15
WSW
10
G14
WSW
9
G13
WSW
10
G13
WSW
11
G15
WSW
11
G16
WSW
11
G15
WSW
10
G14
SW
10
G15
WSW
10
G15
WSW
12
G16
WSW
10
G15
SW
11
G15
WSW
12
G17
SW
14
G19
WSW
15
G21
WSW
15
G21
SW
16
G22
WSW
16
G22
WSW
16
G23
WSW
15
G22
WSW
15
G22
WSW
13
G20
WSW
13
G20
WSW
12
G19
WSW
11
G17
WSW
10
G16
WSW
9
G15
WSW
9
G14
WSW
9
G15
WSW
10
G16
WSW
10
G15
WSW
9
G15
WSW
10
G16
WSW
11
G16
WSW
9
G13
WSW
7
G10
WSW
6
G8
WSW
7
WSW
9
WSW
9
WSW
8
G10
WSW
8
G10
WSW
8
G10
WSW
8
G10
WSW
7
G9
W
7
G9
WSW
6
G7
WSW
6
G7
W
6
G7
WSW
5
WSW
6
WSW
6
W
5
G6
W
5
G7
W
5
G6
W
4
G5
WSW
5
WSW
5
WSW
4
G5
WSW
6
WSW
7
WSW
8
WSW
10
WSW
10
G11
WSW
8
G11
WSW
8
G11
W
8
G11
W
7
G10
WSW
7
G10
W
6
G9
WSW
6
G7
WSW
6
G8
WSW
7
G8
WSW
6
G8
WSW
6
G8
WSW
5
G7
SW
5
G7
SW
5
G6
SW
5
G6
SW
5
SW
4
G5
SW
5
SW
5
SW
5
WSW
5
SW
4
G6
SW
5
G7
SW
6
G7
SW
6
G8
WSW
7
G9
WSW
8
G10
WSW
7
G10
WSW
7
G10
WSW
7
G8
WSW
7
SW
7
SW
7
SW
7
SW
7
SW
6
SW
6
G7
SW
6
G7
SW
6
G7
SW
6
G7
SW
6
SW
6
SW
5
G6
SW
5
SW
5
SW
6
SW
6
G7
SW
7
G9
SW
PRECIP
chance %
2%
2%
2%
2%
2%
2%
2%
3%
3%
2%
2%
2%
2%
2%
2%
1%
1%
1%
2%
1%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
1%
1%
1%
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%
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%
100%
100%
100%
100%
78%
55%
29%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
27%
54%
79%
100%
100%
100%
100%
100%
100%
100%
100%
61%
100%
19%
100%
7%
0%
0%
24%
0%
0%
0%
0%
0%
0%
0%
0%
0%
8%
25%
46%
60%
36%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
22%
31%
39%
41%
32%
16%
4%
0%
0%
0%
PRESSURE
hPa · trend
988
988987989988988988989987988987989989990989989988987985986
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
75% illuminated

Station Location

37.5246, -122.3994
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-04 00:00 UTC
Site #11162620·USGS

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