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 - 18 OCTOBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	18.3 ^°C	26 ^°C (2:15 pm)	12 ^°C (7:35 am)
Dewpoint	13.8 ^°C	15 ^°C (2:35 pm)	12 ^°C (4:55 am)
Humidity	77.9 ^%	100 ^% (7:35 am)	42 ^% (2:15 pm)
Barometer	1014.9 ^hPa	1016.6 hPa (9:35 am)	1012.9 hPa (4:35 pm)
Wind Speed	5.3 ^km/h	20.4 ^km/h (3:15 pm)
Wind Gust		33.3 ^km/h (2:35 pm)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	SE (140.1 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	0.7 (Base 18.3)
Growing Degree Days	9 (Base 10)

Averaged from 72 records on 18 October, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 18 OCTOBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:15 AM	17 ^°C	14 ^°C	82 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
12:35 AM	17 ^°C	14 ^°C	82 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
12:55 AM	17 ^°C	14 ^°C	82 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
1:15 AM	17 ^°C	14 ^°C	82 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
1:35 AM	17 ^°C	14 ^°C	82 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
1:55 AM	15 ^°C	14 ^°C	94 ^%	1015.9 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Overcast
2:15 AM	16 ^°C	14 ^°C	88 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
2:35 AM	16 ^°C	14 ^°C	88 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
2:55 AM	16 ^°C	14 ^°C	88 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
3:15 AM	16 ^°C	14 ^°C	88 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
3:35 AM	15 ^°C	13 ^°C	88 ^%	1015.6 hPa	16.1 ^km	Calm			Overcast
3:55 AM	15 ^°C	13 ^°C	88 ^%	1015.6 hPa	16.1 ^km	Calm			Overcast
4:15 AM	15 ^°C	13 ^°C	88 ^%	1015.6 hPa	16.1 ^km	Calm			Mostly Cloudy
4:35 AM	14 ^°C	13 ^°C	94 ^%	1015.6 hPa	14.5 ^km	Calm			Mostly Cloudy
4:55 AM	13 ^°C	12 ^°C	94 ^%	1015.6 hPa	16.1 ^km	Calm			Scattered Clouds
5:15 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Clear
5:35 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Mostly Cloudy
5:55 AM	14 ^°C	13 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
6:15 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
6:35 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
6:55 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
7:15 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Overcast
7:35 AM	12 ^°C	12 ^°C	100 ^%	1015.9 hPa	16.1 ^km	Calm			Mostly Cloudy
7:55 AM	13 ^°C	12 ^°C	94 ^%	1015.9 hPa	16.1 ^km	Calm			Clear
8:15 AM	14 ^°C	13 ^°C	94 ^%	1016.3 hPa	16.1 ^km	Calm			Clear
8:35 AM	16 ^°C	14 ^°C	88 ^%	1016.3 hPa	16.1 ^km	Calm			Clear
8:55 AM	17 ^°C	14 ^°C	82 ^%	1016.3 hPa	16.1 ^km	Calm			Clear
9:15 AM	18 ^°C	14 ^°C	77 ^%	1016.3 hPa	16.1 ^km	Calm			Clear
9:35 AM	19 ^°C	14 ^°C	73 ^%	1016.6 hPa	16.1 ^km	Calm			Clear
9:55 AM	19 ^°C	14 ^°C	73 ^%	1016.6 hPa	16.1 ^km	Calm			Clear
10:15 AM	20 ^°C	14 ^°C	68 ^%	1016.6 hPa	16.1 ^km	Calm			Clear
10:35 AM	21 ^°C	14 ^°C	64 ^%	1016.3 hPa	16.1 ^km	Calm			Clear
10:55 AM	22 ^°C	14 ^°C	60 ^%	1016.3 hPa	16.1 ^km	Calm			Clear
11:15 AM	23 ^°C	14 ^°C	57 ^%	1015.9 hPa	16.1 ^km	Calm			Clear
11:35 AM	23 ^°C	12 ^°C	50 ^%	1015.6 hPa	16.1 ^km	SSW (210°)	9.3 ^km/h		Clear
11:55 AM	23 ^°C	13 ^°C	53 ^%	1015.2 hPa	16.1 ^km	Calm			Clear
12:15 PM	24 ^°C	13 ^°C	50 ^%	1015.2 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h		Clear
12:35 PM	24 ^°C	13 ^°C	50 ^%	1014.9 hPa	16.1 ^km	North (360°)	7.4 ^km/h		Clear
12:55 PM	24 ^°C	13 ^°C	50 ^%	1014.6 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		Clear
1:15 PM	25 ^°C	13 ^°C	47 ^%	1014.2 hPa	16.1 ^km	WNW (290°)	7.4 ^km/h		Clear
1:35 PM	25 ^°C	13 ^°C	47 ^%	1013.9 hPa	16.1 ^km	WSW (240°)	11.1 ^km/h		Clear
1:55 PM	25 ^°C	12 ^°C	44 ^%	1013.9 hPa	16.1 ^km	SSW (210°)	13 ^km/h		Clear
2:15 PM	26 ^°C	12 ^°C	42 ^%	1013.5 hPa	16.1 ^km	West (260°)	7.4 ^km/h		Clear
2:35 PM	26 ^°C	15 ^°C	51 ^%	1013.2 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h	33.3 ^km/h	Scattered Clouds
2:55 PM	25 ^°C	14 ^°C	50 ^%	1013.2 hPa	16.1 ^km	WSW (250°)	16.7 ^km/h	29.6 ^km/h	Scattered Clouds
3:15 PM	25 ^°C	14 ^°C	50 ^%	1013.2 hPa	16.1 ^km	West (270°)	20.4 ^km/h	25.9 ^km/h	Clear
3:35 PM	24 ^°C	14 ^°C	53 ^%	1013.2 hPa	16.1 ^km	West (270°)	18.5 ^km/h		Clear
3:55 PM	24 ^°C	14 ^°C	53 ^%	1013.2 hPa	16.1 ^km	WNW (290°)	20.4 ^km/h		Clear
4:15 PM	24 ^°C	14 ^°C	53 ^%	1013.2 hPa	16.1 ^km	WNW (300°)	14.8 ^km/h		Clear
4:35 PM	23 ^°C	15 ^°C	61 ^%	1012.9 hPa	16.1 ^km	West (280°)	18.5 ^km/h	25.9 ^km/h	Clear
4:55 PM	22 ^°C	15 ^°C	64 ^%	1012.9 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h	25.9 ^km/h	Clear
5:15 PM	22 ^°C	15 ^°C	64 ^%	1012.9 hPa	16.1 ^km	West (270°)	20.4 ^km/h		Clear
5:35 PM	21 ^°C	15 ^°C	68 ^%	1012.9 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h	25.9 ^km/h	Clear
5:55 PM	20 ^°C	15 ^°C	73 ^%	1013.2 hPa	16.1 ^km	West (270°)	14.8 ^km/h		Clear
6:15 PM	19 ^°C	15 ^°C	78 ^%	1013.2 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h		Clear
6:35 PM	19 ^°C	15 ^°C	78 ^%	1013.2 hPa	16.1 ^km	NW (310°)	7.4 ^km/h		Clear
6:55 PM	18 ^°C	15 ^°C	83 ^%	1013.2 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Clear
7:15 PM	18 ^°C	15 ^°C	83 ^%	1013.5 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		Clear
7:35 PM	18 ^°C	15 ^°C	83 ^%	1013.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Clear
7:55 PM	17 ^°C	15 ^°C	88 ^%	1013.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Clear
8:15 PM	17 ^°C	14 ^°C	82 ^%	1013.5 hPa	16.1 ^km	WNW (290°)	11.1 ^km/h		Clear
8:35 PM	16 ^°C	15 ^°C	94 ^%	1013.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Clear
8:55 PM	16 ^°C	15 ^°C	94 ^%	1013.5 hPa	16.1 ^km	WNW (300°)	5.6 ^km/h		Clear
9:15 PM	15 ^°C	15 ^°C	100 ^%	1013.5 hPa	16.1 ^km	Calm			Mostly Cloudy
9:35 PM	15 ^°C	15 ^°C	100 ^%	1013.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Overcast
9:55 PM	15 ^°C	15 ^°C	100 ^%	1013.5 hPa	12.9 ^km	WNW (290°)	7.4 ^km/h		Overcast
10:15 PM	16 ^°C	15 ^°C	94 ^%	1013.5 hPa	11.3 ^km	Calm			Overcast
10:35 PM	16 ^°C	15 ^°C	94 ^%	1013.5 hPa	11.3 ^km	Calm			Overcast
10:55 PM	16 ^°C	15 ^°C	94 ^%	1013.5 hPa	8 ^km	NNW (330°)	5.6 ^km/h		Overcast
11:15 PM	15 ^°C	15 ^°C	100 ^%	1013.5 hPa	6.4 ^km	NW (320°)	5.6 ^km/h		Overcast
11:35 PM	16 ^°C	15 ^°C	94 ^%	1013.5 hPa	4 ^km	NW (310°)	5.6 ^km/h		Overcast
11:55 PM	15 ^°C	15 ^°C	100 ^%	1013.5 hPa	1.9 ^km	West (270°)	11.1 ^km/h		Overcast

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