Pilarcitos C Bl Spillway nr Hillsborough Ca River

USGS · 111626182

PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA RIVER

USGS · 111626182LIVE

PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA

SAN MATEO COUNTY, CA37.5477°N, -122.4209°W Updated 6 hr ago

FLOW RATE

2cfs

AIR TEMP

55°F

WIND

13mph SW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

2cfs 17.2% vs avg

Optimal band: 2–2 cfs

PERIOD HIGH

2cfs

PERIOD LOW

1cfs

RUNNABLE

75%

last 7 day in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

75°

53°

SUN

62°

51°

MON

61°

51°

TUE

62°

54°

WED

67°

53°

THU

67°

54°

FRI

71°

51°

TIME

SUN

NOW

MON

TUE

WED

THU

TEMP

hourly forecast

51°

mild

51°

54°

56°

57°

58°

60°

61°

62°

61°

59°

58°

57°

54°

53°

52°

51°

52°

54°

56°

57°

60°

61°

60°

59°

58°

56°

55°

54°

55°

56°

57°

58°

59°

61°

62°

61°

60°

59°

58°

57°

55°

54°

53°

54°

55°

59°

61°

63°

66°

67°

66°

63°

62°

60°

58°

56°

55°

54°

55°

56°

57°

60°

65°

67°

66°

64°

62°

60°

59°

57°

55°

54°

WIND

mph · gust · dir

9mph WSW

G 14 mph

G14

WSW

G15

WSW

G13

WSW

G13

WSW

G14

G16

G19

WSW

G21

WSW

G22

WSW

G22

WSW

G26

WSW

G28

WSW

G27

WSW

G25

WSW

G24

WSW

G21

WSW

G20

WSW

G18

WSW

G18

WSW

G17

WSW

G17

WSW

G18

WSW

G17

WSW

G17

WSW

G17

WSW

G17

WSW

G17

WSW

G15

WSW

G17

WSW

G18

WSW

G17

WSW

G18

WSW

G19

WSW

G18

WSW

G15

G13

WNW

G11

WNW

G11

WNW

WSW

WNW

G10

G11

WNW

PRECIP

chance %

CLOUDS

cover %

85%

mostly

85%

13%

25%

16%

11%

15%

83%

100%

26%

58%

78%

100%

76%

45%

24%

10%

15%

13%

11%

12%

44%

75%

100%

98%

63%

100%

66%

24%

31%

35%

37%

35%

60%

83%

93%

87%

86%

100%

89%

83%

13%

51%

84%

97%

95%

92%

87%

97%

100%

22%

23%

46%

74%

94%

100%

PRESSURE

hPa · trend

991

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

72% illuminated

Station Location

37.5477, -122.4209

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

Site #111626182·USGS

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