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 - 26 MARCH, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	15.1 ^°C	27 ^°C (3:15 pm)	6 ^°C (4:35 am)
Dewpoint	10.6 ^°C	15 ^°C (11:55 am)	6 ^°C (4:35 am)
Humidity	78.6 ^%	100 ^% (12:15 am)	39 ^% (4:55 pm)
Barometer	1021 ^hPa	1023 hPa (10:15 am)	1019 hPa (3:55 pm)
Wind Speed	4.7 ^km/h	18.5 ^km/h (5:35 pm)

Weather Element	Average
Visibility	15 ^km
Wind Direction	ESE (114.7 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	1.8 (Base 18.3)
Growing Degree Days	6.5 (Base 10)

Averaged from 72 records on 26 March, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 26 MARCH, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:15 AM	9 ^°C	9 ^°C	100 ^%	1022 hPa	16.1 ^km	North (350°)	5.6 ^km/h	Scattered Clouds
12:35 AM	9 ^°C	9 ^°C	100 ^%	1022 hPa	12.9 ^km	Calm		Scattered Clouds
12:55 AM	8 ^°C	8 ^°C	100 ^%	1022 hPa	12.9 ^km	Calm		Mostly Cloudy
1:15 AM	8 ^°C	8 ^°C	100 ^%	1021.7 hPa	14.5 ^km	Calm		Mostly Cloudy
1:35 AM	9 ^°C	9 ^°C	100 ^%	1021.7 hPa	14.5 ^km	Calm		Mostly Cloudy
1:55 AM	8 ^°C	8 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Mostly Cloudy
2:15 AM	8 ^°C	8 ^°C	100 ^%	1022 hPa	14.5 ^km	Calm		Scattered Clouds
2:35 AM	7 ^°C	7 ^°C	100 ^%	1022 hPa	16.1 ^km	Calm		Mostly Cloudy
2:55 AM	8 ^°C	8 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Overcast
3:15 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Overcast
3:35 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	12.9 ^km	Calm		Overcast
3:55 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Overcast
4:15 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Overcast
4:35 AM	6 ^°C	6 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Overcast
4:55 AM	7 ^°C	7 ^°C	100 ^%	1021.3 hPa	9.7 ^km	Calm		Overcast
5:15 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	16.1 ^km	Calm		Overcast
5:35 AM	7 ^°C	7 ^°C	100 ^%	1021.3 hPa	11.3 ^km	Calm		Overcast
5:55 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	8 ^km	Calm		Overcast
6:15 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	9.7 ^km	Calm		Overcast
6:35 AM	7 ^°C	7 ^°C	100 ^%	1021.7 hPa	9.7 ^km	Calm		Overcast
6:55 AM	6 ^°C	6 ^°C	100 ^%	1022 hPa	12.9 ^km	Calm		Overcast
7:15 AM	6 ^°C	6 ^°C	100 ^%	1022.4 hPa	11.3 ^km	Calm		Overcast
7:35 AM	7 ^°C	7 ^°C	100 ^%	1022.4 hPa	2.4 ^km	Calm		Mostly Cloudy
7:55 AM	8 ^°C	8 ^°C	100 ^%	1022.4 hPa	8 ^km	Calm		Partly Cloudy
8:15 AM	9 ^°C	9 ^°C	100 ^%	1022.4 hPa	12.9 ^km	Calm		Clear
8:35 AM	10 ^°C	9 ^°C	94 ^%	1022.4 hPa	16.1 ^km	WNW (290°)	7.4 ^km/h	Clear
8:55 AM	10 ^°C	10 ^°C	100 ^%	1022.7 hPa	16.1 ^km	Calm		Clear
9:15 AM	12 ^°C	11 ^°C	94 ^%	1022.7 hPa	16.1 ^km	Calm		Clear
9:35 AM	13 ^°C	11 ^°C	88 ^%	1022.7 hPa	16.1 ^km	Calm		Clear
9:55 AM	15 ^°C	12 ^°C	82 ^%	1022.7 hPa	16.1 ^km	Calm		Clear
10:15 AM	16 ^°C	11 ^°C	72 ^%	1023 hPa	16.1 ^km	Calm		Clear
10:35 AM	17 ^°C	12 ^°C	72 ^%	1022.7 hPa	16.1 ^km	Calm		Clear
10:55 AM	18 ^°C	13 ^°C	73 ^%	1022.7 hPa	16.1 ^km	Calm		Clear
11:15 AM	19 ^°C	12 ^°C	64 ^%	1022.7 hPa	16.1 ^km	East (100°)	5.6 ^km/h	Clear
11:35 AM	20 ^°C	14 ^°C	68 ^%	1022.4 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h	Clear
11:55 AM	21 ^°C	15 ^°C	68 ^%	1022 hPa	16.1 ^km	South (170°)	9.3 ^km/h	Clear
12:15 PM	22 ^°C	14 ^°C	60 ^%	1021.7 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h	Clear
12:35 PM	23 ^°C	15 ^°C	61 ^%	1021.7 hPa	16.1 ^km	SSE (150°)	5.6 ^km/h	Clear
12:55 PM	23 ^°C	14 ^°C	57 ^%	1021.3 hPa	16.1 ^km	ESE (120°)	9.3 ^km/h	Clear
1:15 PM	24 ^°C	14 ^°C	53 ^%	1021.3 hPa	16.1 ^km	ESE (120°)	9.3 ^km/h	Clear
1:35 PM	25 ^°C	14 ^°C	50 ^%	1021 hPa	16.1 ^km	SE (140°)	11.1 ^km/h	Clear
1:55 PM	25 ^°C	14 ^°C	50 ^%	1020.7 hPa	16.1 ^km	SE (130°)	9.3 ^km/h	Clear
2:15 PM	25 ^°C	14 ^°C	50 ^%	1020 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h	Clear
2:35 PM	26 ^°C	13 ^°C	44 ^%	1019.6 hPa	16.1 ^km	SSE (150°)	14.8 ^km/h	Clear
2:55 PM	26 ^°C	13 ^°C	44 ^%	1019.6 hPa	16.1 ^km	South (170°)	13 ^km/h	Clear
3:15 PM	27 ^°C	13 ^°C	42 ^%	1019.3 hPa	16.1 ^km	SE (130°)	13 ^km/h	Clear
3:35 PM	27 ^°C	13 ^°C	42 ^%	1019.3 hPa	16.1 ^km	SE (140°)	13 ^km/h	Clear
3:55 PM	27 ^°C	13 ^°C	42 ^%	1019 hPa	16.1 ^km	SSE (150°)	13 ^km/h	Clear
4:15 PM	27 ^°C	13 ^°C	42 ^%	1019 hPa	16.1 ^km	ESE (120°)	9.3 ^km/h	Clear
4:35 PM	27 ^°C	13 ^°C	42 ^%	1019 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h	Clear
4:55 PM	27 ^°C	12 ^°C	39 ^%	1019 hPa	16.1 ^km	SSE (150°)	5.6 ^km/h	Clear
5:15 PM	27 ^°C	13 ^°C	42 ^%	1019 hPa	16.1 ^km	Calm		Clear
5:35 PM	24 ^°C	14 ^°C	53 ^%	1019 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h	Clear
5:55 PM	23 ^°C	14 ^°C	57 ^%	1019 hPa	16.1 ^km	West (280°)	14.8 ^km/h	Clear
6:15 PM	22 ^°C	14 ^°C	60 ^%	1019 hPa	16.1 ^km	NW (320°)	9.3 ^km/h	Clear
6:35 PM	20 ^°C	13 ^°C	64 ^%	1019 hPa	16.1 ^km	WNW (290°)	13 ^km/h	Clear
6:55 PM	20 ^°C	13 ^°C	64 ^%	1019 hPa	16.1 ^km	West (270°)	11.1 ^km/h	Clear
7:15 PM	19 ^°C	12 ^°C	64 ^%	1019 hPa	16.1 ^km	West (280°)	11.1 ^km/h	Clear
7:35 PM	18 ^°C	12 ^°C	68 ^%	1019 hPa	16.1 ^km	NNW (340°)	5.6 ^km/h	Clear
7:55 PM	16 ^°C	12 ^°C	77 ^%	1019.3 hPa	16.1 ^km	North		Clear
8:15 PM	15 ^°C	12 ^°C	82 ^%	1019.3 hPa	16.1 ^km	NNW (340°)	7.4 ^km/h	Clear
8:35 PM	15 ^°C	12 ^°C	82 ^%	1019.6 hPa	16.1 ^km	Calm		Clear
8:55 PM	15 ^°C	12 ^°C	82 ^%	1019.6 hPa	16.1 ^km	North (350°)	5.6 ^km/h	Clear
9:15 PM	14 ^°C	11 ^°C	82 ^%	1019.6 hPa	16.1 ^km	NNW (340°)	5.6 ^km/h	Clear
9:35 PM	13 ^°C	11 ^°C	88 ^%	1019.6 hPa	16.1 ^km	Calm		Clear
9:55 PM	13 ^°C	11 ^°C	88 ^%	1019.6 hPa	16.1 ^km	NNW (340°)	5.6 ^km/h	Clear
10:15 PM	13 ^°C	10 ^°C	82 ^%	1020 hPa	16.1 ^km	Calm		Clear
10:35 PM	12 ^°C	10 ^°C	88 ^%	1020 hPa	16.1 ^km	NNW (330°)	5.6 ^km/h	Clear
10:55 PM	12 ^°C	10 ^°C	88 ^%	1020.3 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h	Clear
11:15 PM	13 ^°C	10 ^°C	82 ^%	1020.3 hPa	16.1 ^km	NW (320°)	7.4 ^km/h	Partly Cloudy
11:35 PM	12 ^°C	10 ^°C	88 ^%	1020.3 hPa	16.1 ^km	NW (320°)	5.6 ^km/h	Clear
11:55 PM	12 ^°C	10 ^°C	88 ^%	1020.3 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h	Partly Cloudy

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