SAN MATEO, CALIFORNIA

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Elevation: 0 meters Latitude: 37 37N Longitude: 122 23W

WEATHER

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Number of Records: 201,089; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 18 DECEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	13 ^°C	15 ^°C (2:56 pm)	11 ^°C (3:48 am)
Dewpoint	11.2 ^°C	12.8 ^°C (7:56 pm)	10 ^°C (6:56 am)
Humidity	88.9 ^%	100 ^% (3:48 am)	78 ^% (4:56 pm)
Barometer	1020 ^hPa	1022.4 hPa (10:56 am)	1017.9 hPa (12:56 am)
Wind Speed	4.5 ^km/h	13 ^km/h (2:56 am)

Weather Element	Average
Visibility	15.8 ^km
Wind Direction	ENE (77.8 °)

Weather Element	Total
Precipitation	0.76 ^mm
Heating Degree Days	5.3 (Base 18.3)
Growing Degree Days	3 (Base 10)

Averaged from 27 records on 18 December, 2014

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WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 18 DECEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:56 AM	11.7 ^°C	10.6 ^°C	93 ^%	1017.9 hPa	12.9 ^km	SSE (150°)	11.1 ^km/h	0.25 mm		Overcast
1:56 AM	11.1 ^°C	10.6 ^°C	97 ^%	1017.9 hPa	16.1 ^km	Calm		0 mm		Overcast
2:11 AM	12 ^°C	11 ^°C	94 ^%	1018.3 hPa	16.1 ^km	Calm				Mostly Cloudy
2:56 AM	11.7 ^°C	10.6 ^°C	93 ^%	1017.9 hPa	16.1 ^km	SE (140°)	13 ^km/h			Mostly Cloudy
3:20 AM	12 ^°C	11 ^°C	94 ^%	1018.3 hPa	9.7 ^km	SSE (150°)	5.6 ^km/h	0 mm	Rain	Rain
3:48 AM	11 ^°C	11 ^°C	100 ^%	1018.3 hPa	16.1 ^km	Calm		0.25 mm		Overcast
3:56 AM	11.1 ^°C	10.6 ^°C	97 ^%	1018.3 hPa	16.1 ^km	SE (130°)	5.6 ^km/h	0.25 mm		Overcast
4:56 AM	11.1 ^°C	10.6 ^°C	97 ^%	1018.6 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h			Overcast
5:56 AM	11.7 ^°C	10.6 ^°C	93 ^%	1019.3 hPa	16.1 ^km	ESE (120°)	7.4 ^km/h	0 mm		Overcast
6:56 AM	11.7 ^°C	10 ^°C	89 ^%	1019.6 hPa	16.1 ^km	ESE (110°)	9.3 ^km/h			Overcast
7:56 AM	11.7 ^°C	10 ^°C	89 ^%	1020.3 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h			Mostly Cloudy
8:56 AM	12.2 ^°C	10.6 ^°C	90 ^%	1020.7 hPa	16.1 ^km	ESE (120°)	5.6 ^km/h			Mostly Cloudy
9:56 AM	12.8 ^°C	10.6 ^°C	86 ^%	1021.7 hPa	16.1 ^km	Calm				Mostly Cloudy
10:56 AM	13.3 ^°C	10.6 ^°C	84 ^%	1022.4 hPa	16.1 ^km	Calm				Overcast
11:56 AM	13.9 ^°C	11.1 ^°C	83 ^%	1021.3 hPa	16.1 ^km	East (90°)	5.6 ^km/h			Mostly Cloudy
12:56 PM	14.4 ^°C	11.7 ^°C	84 ^%	1021 hPa	16.1 ^km	East (90°)	5.6 ^km/h			Mostly Cloudy
1:56 PM	14.4 ^°C	12.2 ^°C	87 ^%	1020.3 hPa	16.1 ^km	East (90°)	7.4 ^km/h			Mostly Cloudy
2:56 PM	15 ^°C	12.2 ^°C	83 ^%	1020.3 hPa	16.1 ^km	Calm				Mostly Cloudy
3:56 PM	15 ^°C	12.2 ^°C	83 ^%	1020.3 hPa	16.1 ^km	Calm				Mostly Cloudy
4:56 PM	15 ^°C	11.1 ^°C	78 ^%	1020.7 hPa	16.1 ^km	Calm				Overcast
5:56 PM	15 ^°C	11.1 ^°C	78 ^%	1020.7 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h			Mostly Cloudy
6:56 PM	14.4 ^°C	12.2 ^°C	87 ^%	1020.7 hPa	16.1 ^km	Calm				Mostly Cloudy
7:56 PM	13.9 ^°C	12.8 ^°C	93 ^%	1021 hPa	16.1 ^km	East (90°)	7.4 ^km/h			Mostly Cloudy
8:56 PM	13.3 ^°C	12.2 ^°C	93 ^%	1021 hPa	16.1 ^km	Calm				Mostly Cloudy
9:56 PM	13.9 ^°C	12.2 ^°C	89 ^%	1021.7 hPa	16.1 ^km	Calm				Mostly Cloudy
10:56 PM	13.9 ^°C	11.1 ^°C	83 ^%	1021.7 hPa	16.1 ^km	SE (140°)	5.6 ^km/h			Mostly Cloudy
11:56 PM	13.9 ^°C	11.1 ^°C	83 ^%	1021.7 hPa	16.1 ^km	SSE (150°)	13 ^km/h			Mostly Cloudy

Hourly data recorded from KSFO, located 0 kilometers away from San Mateo, California