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 4 hr ago

FLOW RATE

2cfs

AIR TEMP

53°F

WIND

12mph WSW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

2cfs 4.4% vs avg

Optimal band: 2–2 cfs

PERIOD HIGH

3cfs

PERIOD LOW

1cfs

RUNNABLE

68%

last 30 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

56°

51°

MON

65°

51°

TUE

69°

56°

WED

80°

54°

THU

75°

55°

FRI

84°

54°

TIME

SUN

NOW

MON

TUE

WED

THU

TEMP

hourly forecast

51°

mild

51°

52°

53°

54°

55°

56°

55°

54°

53°

52°

51°

52°

53°

56°

57°

60°

62°

64°

65°

62°

59°

58°

57°

56°

57°

56°

57°

60°

63°

65°

68°

69°

68°

66°

63°

60°

58°

57°

56°

55°

54°

55°

57°

61°

66°

70°

75°

78°

80°

79°

77°

75°

71°

69°

65°

62°

60°

58°

57°

56°

55°

56°

59°

63°

67°

71°

73°

75°

73°

71°

68°

65°

63°

WIND

mph · gust · dir

11mph WSW

G 15 mph

G15

WSW

G12

G14

WSW

G14

WSW

G16

WSW

G16

WSW

G16

WSW

G18

WSW

G19

WSW

G20

WSW

G22

WSW

G24

WSW

G25

WSW

G25

WSW

G23

WSW

G22

WSW

G18

WSW

G17

WSW

G16

WSW

G16

WSW

G15

WSW

G15

WSW

G17

WSW

G16

WSW

G16

WSW

G15

WSW

G16

WSW

G16

WSW

G15

WSW

G17

WSW

G17

WSW

G17

WSW

G18

WSW

G19

WSW

G17

WSW

G15

WSW

G13

WSW

G10

WSW

G10

WSW

G10

WSW

G11

G10

G11

WSW

G10

WSW

G10

WSW

SSW

WSW

G10

WSW

G10

WSW

G11

WSW

G10

WSW

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

91%

100%

89%

75%

50%

25%

10%

62%

65%

73%

100%

92%

57%

47%

13%

100%

19%

31%

40%

15%

PRESSURE

hPa · trend

988

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

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

73% illuminated

Station Location

37.5246, -122.3994

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DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #11162620·USGS

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