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PORTOLA VALLEY, CALIFORNIA


Home > North America > United States > California
Elevation: 107 meters     Latitude: 37 24N     Longitude: 122 14W

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Number of Records: 151,186;   Date Range: 1/1/95 - 3/22/16
 
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WEATHER ALMANAC - 18 DECEMBER, 2014
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[ °F ]   °C
Weather ElementAverageHighLow
Temperature12.1 °C15 °C (1:47 pm)10 °C (2:50 am)
Dewpoint9.6 °C11 °C (12:47 pm)9 °C (12:10 am)
Humidity85.3 %94 % (2:50 am)72 % (2:47 pm)
Barometer1020.3 hPa1022.7 hPa (10:51 am)1018.3 hPa (12:10 am)
Wind Speed4.5 km/h11.1 km/h (1:30 am)
Weather ElementAverage
Visibility15.9 km
Wind DirectionESE (104.3 °)

Weather ElementTotal
Precipitation---
Heating Degree Days5.8 (Base 18.3)
Growing Degree Days2.5 (Base 10)
Averaged from 44 records on 18 December, 2014
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - 18 DECEMBER, 2014
[ °F ]   °C
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
12:10 AM11 °C9 °C88 %1018.3 hPa16.1 kmSouth (170°)7.4 km/hOvercast
12:30 AM11 °C9 °C88 %1018.3 hPa16.1 kmSouth (180°)5.6 km/hOvercast
12:55 AM11 °C9 °C88 %1018.3 hPa16.1 kmSSE (160°)9.3 km/hOvercast
1:10 AM11 °C9 °C88 %1018.3 hPa16.1 kmSSE (150°)9.3 km/hOvercast
1:30 AM11 °C9 °C88 %1018.6 hPa16.1 kmSSE (150°)11.1 km/hOvercast
1:55 AM11 °C9 °C88 %1018.6 hPa16.1 kmSSE (160°)9.3 km/hOvercast
2:15 AM11 °C9 °C88 %1019 hPa16.1 kmSSE (160°)7.4 km/hOvercast
2:30 AM11 °C9 °C88 %1019 hPa16.1 kmSouth (170°)7.4 km/hOvercast
2:50 AM10 °C9 °C94 %1018.6 hPa16.1 kmSSE (160°)7.4 km/hOvercast
3:15 AM10 °C9 °C94 %1018.6 hPa16.1 kmSSE (160°)5.6 km/hOvercast
3:30 AM11 °C9 °C88 %1018.6 hPa16.1 kmSSE (150°)7.4 km/hOvercast
3:50 AM11 °C9 °C88 %1018.6 hPa16.1 kmSSE (160°)5.6 km/hOvercast
4:10 AM11 °C9 °C88 %1018.6 hPa14.5 kmCalmOvercast
4:30 AM11 °C9 °C88 %1018.6 hPa16.1 kmSSE (150°)7.4 km/hOvercast
4:50 AM11 °C9 °C88 %1019 hPa16.1 kmSouth (170°)5.6 km/hOvercast
5:15 AM11 °C9 °C88 %1019.3 hPa16.1 kmCalmOvercast
5:30 AM11 °C9 °C88 %1019.6 hPa16.1 kmCalmOvercast
5:50 AM11 °C9 °C88 %1019.6 hPa12.9 kmCalmMostly Cloudy
6:15 AM11 °C9 °C88 %1020 hPa16.1 kmSE (140°)5.6 km/hOvercast
6:35 AM11 °C9 °C88 %1020.3 hPa16.1 kmCalmOvercast
6:50 AM11 °C9 °C88 %1020.3 hPa16.1 kmSSE (150°)5.6 km/hOvercast
7:52 AM11 °C9 °C88 %1020.7 hPa16.1 kmSouth (180°)5.6 km/hMostly Cloudy
8:56 AM12 °C9 °C82 %1021.3 hPa16.1 kmSE (130°)5.6 km/hMostly Cloudy
9:50 AM12 °C10 °C88 %1022 hPa16.1 kmCalmMostly Cloudy
10:51 AM13 °C10 °C82 %1022.7 hPa16.1 kmCalmMostly Cloudy
11:56 AM14 °C10 °C77 %1022 hPa16.1 kmCalmMostly Cloudy
12:47 PM14 °C11 °C82 %1021.3 hPa16.1 kmCalmScattered Clouds
1:47 PM15 °C11 °C77 %1021 hPa16.1 kmCalmScattered Clouds
2:47 PM15 °C10 °C72 %1021 hPa16.1 kmCalmScattered Clouds
3:47 PM15 °C11 °C77 %1020.7 hPa16.1 kmCalmMostly Cloudy
4:47 PM15 °C10 °C72 %1021 hPa16.1 kmVariable5.6 km/hMostly Cloudy
5:58 PM14 °C11 °C82 %1021 hPa11.3 kmSSE (150°)5.6 km/hScattered Clouds
6:47 PM14 °C11 °C82 %1021 hPa16.1 kmSSW (210°)5.6 km/hClear
7:47 PM13 °C11 °C88 %1021.3 hPa16.1 kmCalmClear
8:47 PM12 °C10 °C88 %1021.7 hPa16.1 kmCalmClear
9:10 PM12 °C10 °C88 %1021.7 hPa16.1 kmCalmClear
9:30 PM13 °C10 °C82 %1022 hPa16.1 kmSW (230°)5.6 km/hPartly Cloudy
9:55 PM13 °C10 °C82 %1021.7 hPa16.1 kmSE (130°)7.4 km/hMostly Cloudy
10:10 PM13 °C10 °C82 %1022 hPa16.1 kmSW (220°)5.6 km/hMostly Cloudy
10:30 PM13 °C10 °C82 %1022.4 hPa16.1 kmSSE (160°)5.6 km/hOvercast
10:55 PM13 °C10 °C82 %1022 hPa16.1 kmSSE (160°)9.3 km/hMostly Cloudy
11:10 PM13 °C10 °C82 %1022.4 hPa16.1 kmSE (130°)7.4 km/hMostly Cloudy
11:30 PM12 °C10 °C88 %1022.4 hPa16.1 kmSouth (190°)5.6 km/hScattered Clouds
11:55 PM12 °C10 °C88 %1022.4 hPa16.1 kmSSE (160°)9.3 km/hMostly Cloudy
Hourly data recorded from KSQL, located 0 kilometers away from Portola Valley, California




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