ST. HELENA, CALIFORNIA

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Elevation: 52 meters Latitude: 38 26N Longitude: 122 25W

WEATHER

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Number of Records: 110,348; Date Range: 4/19/11 - 3/22/16

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WEATHER ALMANAC - 27 JANUARY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	12.2 ^°C	17 ^°C (12:15 pm)	9 ^°C (12:15 am)
Dewpoint	9.1 ^°C	12 ^°C (11:55 am)	8 ^°C (12:15 am)
Humidity	82.3 ^%	100 ^% (11:15 pm)	59 ^% (12:35 pm)
Barometer	1022.4 ^hPa	1025.7 hPa (11:15 pm)	1016.9 hPa (12:15 am)
Wind Speed	1.1 ^km/h	7.4 ^km/h (6:15 am)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	NNE (22.6 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	5.3 (Base 18.3)
Growing Degree Days	3 (Base 10)

Averaged from 72 records on 27 January, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 27 JANUARY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:15 AM	9 ^°C	8 ^°C	93 ^%	1016.9 hPa	16.1 ^km	Calm		Scattered Clouds
12:35 AM	10 ^°C	8 ^°C	87 ^%	1016.9 hPa	16.1 ^km	Calm		Partly Cloudy
12:55 AM	9 ^°C	8 ^°C	93 ^%	1017.3 hPa	16.1 ^km	Calm		Clear
1:15 AM	9 ^°C	8 ^°C	93 ^%	1017.6 hPa	16.1 ^km	Calm		Mostly Cloudy
1:35 AM	9 ^°C	8 ^°C	93 ^%	1017.9 hPa	14.5 ^km	ENE (60°)	5.6 ^km/h	Mostly Cloudy
1:55 AM	9 ^°C	8 ^°C	93 ^%	1017.9 hPa	16.1 ^km	Calm		Mostly Cloudy
2:15 AM	9 ^°C	8 ^°C	93 ^%	1017.9 hPa	16.1 ^km	Calm		Scattered Clouds
2:35 AM	10 ^°C	8 ^°C	87 ^%	1018.3 hPa	16.1 ^km	Calm		Scattered Clouds
2:55 AM	9 ^°C	8 ^°C	93 ^%	1018.6 hPa	14.5 ^km	Calm		Mostly Cloudy
3:15 AM	9 ^°C	8 ^°C	93 ^%	1018.6 hPa	14.5 ^km	NNE (20°)	5.6 ^km/h	Mostly Cloudy
3:35 AM	9 ^°C	8 ^°C	93 ^%	1019 hPa	14.5 ^km	Calm		Scattered Clouds
3:55 AM	9 ^°C	8 ^°C	93 ^%	1019 hPa	12.9 ^km	Calm		Scattered Clouds
4:15 AM	9 ^°C	8 ^°C	93 ^%	1019 hPa	14.5 ^km	Calm		Scattered Clouds
4:35 AM	9 ^°C	8 ^°C	93 ^%	1019.3 hPa	12.9 ^km	Calm		Mostly Cloudy
4:55 AM	9 ^°C	8 ^°C	93 ^%	1019.6 hPa	12.9 ^km	Calm		Overcast
5:15 AM	9 ^°C	8 ^°C	93 ^%	1019.6 hPa	11.3 ^km	SSE (150°)	5.6 ^km/h	Overcast
5:35 AM	9 ^°C	8 ^°C	93 ^%	1020 hPa	11.3 ^km	Calm		Overcast
5:55 AM	9 ^°C	8 ^°C	93 ^%	1020.3 hPa	12.9 ^km	Calm		Overcast
6:15 AM	9 ^°C	8 ^°C	93 ^%	1020.3 hPa	12.9 ^km	ENE (60°)	7.4 ^km/h	Overcast
6:35 AM	10 ^°C	8 ^°C	87 ^%	1020.3 hPa	14.5 ^km	Calm		Overcast
6:55 AM	9 ^°C	8 ^°C	93 ^%	1020.7 hPa	16.1 ^km	Calm		Overcast
7:15 AM	9 ^°C	8 ^°C	93 ^%	1021 hPa	16.1 ^km	Calm		Overcast
7:35 AM	9 ^°C	8 ^°C	93 ^%	1021 hPa	14.5 ^km	SE (130°)	5.6 ^km/h	Scattered Clouds
7:55 AM	10 ^°C	8 ^°C	87 ^%	1021.3 hPa	16.1 ^km	Calm		Clear
8:15 AM	12 ^°C	9 ^°C	82 ^%	1022 hPa	16.1 ^km	Calm		Clear
8:35 AM	13 ^°C	10 ^°C	82 ^%	1022.4 hPa	8 ^km	East (90°)	7.4 ^km/h	Clear
8:55 AM	13 ^°C	10 ^°C	82 ^%	1022.4 hPa	16.1 ^km	Calm		Clear
9:15 AM	12 ^°C	9 ^°C	82 ^%	1022.7 hPa	12.9 ^km	Calm		Clear
9:35 AM	11 ^°C	10 ^°C	94 ^%	1023 hPa	11.3 ^km	Calm		Clear
9:55 AM	12 ^°C	10 ^°C	88 ^%	1023.4 hPa	12.9 ^km	Calm		Clear
10:15 AM	12 ^°C	10 ^°C	88 ^%	1023.4 hPa	12.9 ^km	Calm		Clear
10:35 AM	13 ^°C	10 ^°C	82 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
10:55 AM	13 ^°C	10 ^°C	82 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
11:15 AM	14 ^°C	10 ^°C	77 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
11:35 AM	15 ^°C	10 ^°C	72 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
11:55 AM	15 ^°C	12 ^°C	82 ^%	1023.7 hPa	16.1 ^km	NW (310°)	5.6 ^km/h	Clear
12:15 PM	17 ^°C	11 ^°C	68 ^%	1023.4 hPa	16.1 ^km	Calm		Clear
12:35 PM	17 ^°C	9 ^°C	59 ^%	1023.4 hPa	16.1 ^km	Calm		Clear
12:55 PM	17 ^°C	9 ^°C	59 ^%	1023.4 hPa	16.1 ^km	East (80°)	5.6 ^km/h	Clear
1:15 PM	17 ^°C	9 ^°C	59 ^%	1023.4 hPa	16.1 ^km	SE (130°)	5.6 ^km/h	Clear
1:35 PM	17 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	SE (130°)	5.6 ^km/h	Clear
1:55 PM	17 ^°C	9 ^°C	59 ^%	1023.4 hPa	16.1 ^km	SE (130°)	5.6 ^km/h	Clear
2:15 PM	17 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	Calm		Clear
2:35 PM	17 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	Calm		Clear
2:55 PM	17 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	Calm		Clear
3:15 PM	17 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h	Clear
3:35 PM	17 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	Calm		Clear
3:55 PM	17 ^°C	10 ^°C	63 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
4:15 PM	17 ^°C	10 ^°C	63 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
4:35 PM	16 ^°C	10 ^°C	68 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
4:55 PM	16 ^°C	11 ^°C	72 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
5:15 PM	16 ^°C	10 ^°C	68 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
5:35 PM	14 ^°C	10 ^°C	77 ^%	1023.7 hPa	16.1 ^km	Calm		Scattered Clouds
5:55 PM	13 ^°C	10 ^°C	82 ^%	1024 hPa	16.1 ^km	Calm		Partly Cloudy
6:15 PM	13 ^°C	10 ^°C	82 ^%	1024 hPa	16.1 ^km	Calm		Clear
6:35 PM	13 ^°C	9 ^°C	77 ^%	1024 hPa	16.1 ^km	Calm		Mostly Cloudy
6:55 PM	13 ^°C	9 ^°C	77 ^%	1024.4 hPa	16.1 ^km	Calm		Mostly Cloudy
7:15 PM	12 ^°C	9 ^°C	82 ^%	1024.4 hPa	16.1 ^km	SE (140°)	7.4 ^km/h	Mostly Cloudy
7:35 PM	12 ^°C	9 ^°C	82 ^%	1024.7 hPa	16.1 ^km	Calm		Mostly Cloudy
7:55 PM	12 ^°C	9 ^°C	82 ^%	1024.7 hPa	16.1 ^km	East (90°)	5.6 ^km/h	Overcast
8:15 PM	12 ^°C	9 ^°C	82 ^%	1024.7 hPa	16.1 ^km	Calm		Overcast
8:35 PM	11 ^°C	9 ^°C	88 ^%	1025.1 hPa	16.1 ^km	Calm		Mostly Cloudy
8:55 PM	12 ^°C	9 ^°C	82 ^%	1025.1 hPa	16.1 ^km	Calm		Overcast
9:15 PM	11 ^°C	9 ^°C	88 ^%	1025.1 hPa	16.1 ^km	Calm		Overcast
9:35 PM	12 ^°C	9 ^°C	82 ^%	1025.1 hPa	16.1 ^km	Calm		Overcast
9:55 PM	11 ^°C	9 ^°C	88 ^%	1025.1 hPa	16.1 ^km	Calm		Overcast
10:15 PM	11 ^°C	9 ^°C	88 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
10:35 PM	10 ^°C	9 ^°C	94 ^%	1025.4 hPa	16.1 ^km	Calm		Mostly Cloudy
10:55 PM	10 ^°C	9 ^°C	94 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
11:15 PM	9 ^°C	9 ^°C	100 ^%	1025.7 hPa	16.1 ^km	Calm		Overcast
11:35 PM	9 ^°C	8 ^°C	93 ^%	1025.7 hPa	16.1 ^km	Calm		Scattered Clouds
11:55 PM	10 ^°C	8 ^°C	87 ^%	1025.4 hPa	16.1 ^km	Calm		Partly Cloudy

Hourly data recorded from KO69, located 0 kilometers away from St. Helena, California