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 - 28 JANUARY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	11.3 ^°C	19 ^°C (1:15 pm)	7 ^°C (2:15 am)
Dewpoint	8.5 ^°C	11 ^°C (1:55 pm)	7 ^°C (2:15 am)
Humidity	85.2 ^%	100 ^% (12:55 am)	52 ^% (3:15 pm)
Barometer	1024 ^hPa	1025.7 hPa (8:15 am)	1022 hPa (3:15 pm)
Wind Speed	2.9 ^km/h	18.5 ^km/h (3:35 pm)

Weather Element	Average
Visibility	15.6 ^km
Wind Direction	ENE (76.4 °)

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

Averaged from 72 records on 28 January, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 28 JANUARY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:15 AM	10 ^°C	8 ^°C	87 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
12:35 AM	9 ^°C	8 ^°C	93 ^%	1025.4 hPa	16.1 ^km	Calm		Partly Cloudy
12:55 AM	8 ^°C	8 ^°C	100 ^%	1025.1 hPa	16.1 ^km	Calm		Partly Cloudy
1:15 AM	8 ^°C	8 ^°C	100 ^%	1025.1 hPa	16.1 ^km	Calm		Clear
1:35 AM	8 ^°C	8 ^°C	100 ^%	1025.1 hPa	16.1 ^km	Calm		Scattered Clouds
1:55 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Mostly Cloudy
2:15 AM	7 ^°C	7 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Scattered Clouds
2:35 AM	8 ^°C	7 ^°C	93 ^%	1025.4 hPa	16.1 ^km	Calm		Partly Cloudy
2:55 AM	7 ^°C	7 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Mostly Cloudy
3:15 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
3:35 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Scattered Clouds
3:55 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
4:15 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
4:35 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Partly Cloudy
4:55 AM	8 ^°C	8 ^°C	100 ^%	1025.1 hPa	16.1 ^km	Calm		Scattered Clouds
5:15 AM	8 ^°C	8 ^°C	100 ^%	1025.1 hPa	16.1 ^km	Calm		Partly Cloudy
5:35 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Mostly Cloudy
5:55 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
6:15 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
6:35 AM	7 ^°C	7 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
6:55 AM	7 ^°C	7 ^°C	100 ^%	1025.4 hPa	12.9 ^km	Calm		Mostly Cloudy
7:15 AM	7 ^°C	7 ^°C	100 ^%	1025.4 hPa	9.7 ^km	Calm		Scattered Clouds
7:35 AM	7 ^°C	7 ^°C	100 ^%	1025.4 hPa	12.9 ^km	Calm		Partly Cloudy
7:55 AM	8 ^°C	8 ^°C	100 ^%	1025.4 hPa	11.3 ^km	Calm		Partly Cloudy
8:15 AM	8 ^°C	8 ^°C	100 ^%	1025.7 hPa	12.9 ^km	Calm		Clear
8:35 AM	9 ^°C	9 ^°C	100 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
8:55 AM	10 ^°C	9 ^°C	94 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
9:15 AM	11 ^°C	9 ^°C	88 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
9:35 AM	12 ^°C	10 ^°C	88 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
9:55 AM	13 ^°C	10 ^°C	82 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
10:15 AM	14 ^°C	10 ^°C	77 ^%	1025.7 hPa	12.9 ^km	Calm		Clear
10:35 AM	14 ^°C	10 ^°C	77 ^%	1025.7 hPa	12.9 ^km	Calm		Clear
10:55 AM	15 ^°C	10 ^°C	72 ^%	1025.4 hPa	12.9 ^km	Calm		Clear
11:15 AM	15 ^°C	10 ^°C	72 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
11:35 AM	15 ^°C	10 ^°C	72 ^%	1025.1 hPa	16.1 ^km	Calm		Clear
11:55 AM	17 ^°C	10 ^°C	63 ^%	1024.7 hPa	16.1 ^km	Calm		Clear
12:15 PM	17 ^°C	10 ^°C	63 ^%	1024 hPa	16.1 ^km	NNW (330°)	5.6 ^km/h	Clear
12:35 PM	18 ^°C	9 ^°C	56 ^%	1024 hPa	16.1 ^km	WNW (300°)	7.4 ^km/h	Clear
12:55 PM	18 ^°C	9 ^°C	56 ^%	1023.4 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h	Clear
1:15 PM	19 ^°C	10 ^°C	56 ^%	1023 hPa	16.1 ^km	WNW (300°)	9.3 ^km/h	Clear
1:35 PM	19 ^°C	10 ^°C	56 ^%	1023 hPa	16.1 ^km	West (260°)	11.1 ^km/h	Clear
1:55 PM	19 ^°C	11 ^°C	60 ^%	1022.7 hPa	16.1 ^km	West (270°)	13 ^km/h	Clear
2:15 PM	19 ^°C	10 ^°C	56 ^%	1022.4 hPa	16.1 ^km	West (260°)	11.1 ^km/h	Clear
2:35 PM	19 ^°C	10 ^°C	56 ^%	1022.4 hPa	16.1 ^km	WSW (250°)	14.8 ^km/h	Clear
2:55 PM	19 ^°C	10 ^°C	56 ^%	1022.4 hPa	16.1 ^km	West (270°)	14.8 ^km/h	Clear
3:15 PM	19 ^°C	9 ^°C	52 ^%	1022 hPa	16.1 ^km	West (270°)	16.7 ^km/h	Clear
3:35 PM	18 ^°C	9 ^°C	56 ^%	1022.4 hPa	16.1 ^km	West (280°)	18.5 ^km/h	Clear
3:55 PM	18 ^°C	8 ^°C	52 ^%	1022.4 hPa	16.1 ^km	West (260°)	16.7 ^km/h	Clear
4:15 PM	18 ^°C	9 ^°C	56 ^%	1022.4 hPa	16.1 ^km	WNW (300°)	11.1 ^km/h	Clear
4:35 PM	17 ^°C	9 ^°C	59 ^%	1022 hPa	16.1 ^km	WNW (300°)	11.1 ^km/h	Clear
4:55 PM	15 ^°C	9 ^°C	67 ^%	1022 hPa	16.1 ^km	West (270°)	14.8 ^km/h	Clear
5:15 PM	14 ^°C	9 ^°C	72 ^%	1022 hPa	16.1 ^km	West (270°)	11.1 ^km/h	Clear
5:35 PM	14 ^°C	9 ^°C	72 ^%	1022 hPa	16.1 ^km	WNW (290°)	7.4 ^km/h	Clear
5:55 PM	13 ^°C	9 ^°C	77 ^%	1022 hPa	16.1 ^km	Calm		Clear
6:15 PM	12 ^°C	9 ^°C	82 ^%	1022 hPa	16.1 ^km	NNW (330°)	5.6 ^km/h	Clear
6:35 PM	12 ^°C	9 ^°C	82 ^%	1022 hPa	16.1 ^km	North (360°)	5.6 ^km/h	Clear
6:55 PM	11 ^°C	9 ^°C	88 ^%	1022 hPa	16.1 ^km	Calm		Partly Cloudy
7:15 PM	10 ^°C	8 ^°C	87 ^%	1022.4 hPa	16.1 ^km	Calm		Partly Cloudy
7:35 PM	9 ^°C	8 ^°C	93 ^%	1022.4 hPa	16.1 ^km	Calm		Partly Cloudy
7:55 PM	9 ^°C	8 ^°C	93 ^%	1022.4 hPa	16.1 ^km	Calm		Scattered Clouds
8:15 PM	9 ^°C	8 ^°C	93 ^%	1022.4 hPa	16.1 ^km	Calm		Scattered Clouds
8:35 PM	9 ^°C	8 ^°C	93 ^%	1022.4 hPa	16.1 ^km	Calm		Mostly Cloudy
8:55 PM	9 ^°C	8 ^°C	93 ^%	1022.4 hPa	16.1 ^km	Calm		Overcast
9:15 PM	8 ^°C	8 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Mostly Cloudy
9:35 PM	8 ^°C	8 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Scattered Clouds
9:55 PM	8 ^°C	7 ^°C	93 ^%	1022.4 hPa	16.1 ^km	Calm		Clear
10:15 PM	8 ^°C	8 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Scattered Clouds
10:35 PM	7 ^°C	7 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Scattered Clouds
10:55 PM	7 ^°C	7 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Mostly Cloudy
11:15 PM	7 ^°C	7 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Overcast
11:35 PM	7 ^°C	7 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Mostly Cloudy
11:55 PM	7 ^°C	7 ^°C	100 ^%	1022.4 hPa	16.1 ^km	Calm		Mostly Cloudy

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