ST. HELENA, CALIFORNIA

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Elevation: 170 feet 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 - AUGUST 25, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	64.7 ^°F	80.6 ^°F (1:55 pm)	(2:35 pm)
Dewpoint	54.1 ^°F	57.2 ^°F (9:55 pm)	(7:00 pm)
Humidity	70.7 ^%	100 ^% (9:55 pm)	42 ^% (1:55 pm)
Barometer	29.99 ⁱⁿ	30.05 ⁱⁿ (10:15 am)	29.96 ⁱⁿ (5:15 pm)
Wind Speed	9.7 ^mph	16.1 ^mph (4:15 pm)
Wind Gust		19.6 ^mph (5:55 pm)

Weather Element	Average
Visibility	9.6 ^mi
Wind Direction	WNW (280.2 °)

Weather Element	Total
Precipitation	0.08 ⁱⁿ
Heating Degree Days	24.7 (Base 65)

Averaged from 42 records on August 25, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - AUGUST 25, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Conditions
10:15 AM	62.6 ^°F	55.4 ^°F	77 ^%	30.05 ⁱⁿ	9.0 ^mi	West (270°)	6.9 ^mph			Overcast
10:35 AM	62.6 ^°F	55.4 ^°F	77 ^%	30.04 ⁱⁿ	9.0 ^mi	West (270°)	11.5 ^mph			Overcast
10:55 AM	64.4 ^°F	55.4 ^°F	73 ^%	30.04 ⁱⁿ	9.0 ^mi	West (270°)	9.2 ^mph			Scattered Clouds
11:15 AM	64.4 ^°F	55.4 ^°F	73 ^%	30.03 ⁱⁿ	10.0 ^mi	West (280°)	8.1 ^mph			Clear
11:35 AM	68.0 ^°F	55.4 ^°F	64 ^%	30.03 ⁱⁿ	10.0 ^mi	West (270°)	5.8 ^mph			Clear
11:55 AM	69.8 ^°F	55.4 ^°F	60 ^%	30.02 ⁱⁿ	10.0 ^mi	WNW (300°)	8.1 ^mph			Clear
12:15 PM	71.6 ^°F	55.4 ^°F	57 ^%	30.02 ⁱⁿ	10.0 ^mi	WSW (240°)	8.1 ^mph			Clear
12:35 PM	71.6 ^°F	55.4 ^°F	57 ^%	30.01 ⁱⁿ	10.0 ^mi	WSW (250°)	6.9 ^mph			Clear
12:55 PM	75.2 ^°F	55.4 ^°F	50 ^%	30.00 ⁱⁿ	10.0 ^mi	West (260°)	8.1 ^mph			Clear
1:15 PM	75.2 ^°F	55.4 ^°F	50 ^%	29.99 ⁱⁿ	10.0 ^mi	West (280°)	10.4 ^mph			Clear
1:35 PM	77.0 ^°F	55.4 ^°F	47 ^%	29.99 ⁱⁿ	7.0 ^mi	WNW (290°)	10.4 ^mph			Clear
1:55 PM	80.6 ^°F	55.4 ^°F	42 ^%	29.98 ⁱⁿ	1.5 ^mi	West (270°)	9.2 ^mph	16.1 ^mph
2:15 PM	78.8 ^°F	55.4 ^°F	44 ^%	29.98 ⁱⁿ		WNW (290°)	8.1 ^mph	16.1 ^mph	0.08 ⁱⁿ	Clear
2:35 PM	0.0 ^°F	0.0 ^°F				North
2:55 PM	77.0 ^°F	55.4 ^°F	47 ^%	29.98 ⁱⁿ	10.0 ^mi	WNW (290°)	13.8 ^mph
3:15 PM	77.0 ^°F	55.4 ^°F	47 ^%	29.98 ⁱⁿ	10.0 ^mi	West (280°)	13.8 ^mph	17.3 ^mph		Clear
3:35 PM	75.2 ^°F	55.4 ^°F	50 ^%	29.98 ⁱⁿ	10.0 ^mi	West (280°)	13.8 ^mph			Clear
3:55 PM	73.4 ^°F	55.4 ^°F	53 ^%	29.97 ⁱⁿ	10.0 ^mi	West (280°)	13.8 ^mph			Clear
4:15 PM	73.4 ^°F	55.4 ^°F	53 ^%	29.97 ⁱⁿ	10.0 ^mi	West (280°)	16.1 ^mph			Clear
4:35 PM	71.6 ^°F	55.4 ^°F	57 ^%	29.97 ⁱⁿ	10.0 ^mi	West (270°)	15.0 ^mph	18.4 ^mph		Clear
4:55 PM	71.6 ^°F	55.4 ^°F	57 ^%	29.97 ⁱⁿ	10.0 ^mi	West (280°)	12.7 ^mph	18.4 ^mph		Clear
5:15 PM	71.6 ^°F	55.4 ^°F	57 ^%	29.96 ⁱⁿ	10.0 ^mi	West (280°)	11.5 ^mph			Clear
5:35 PM	69.8 ^°F	55.4 ^°F	60 ^%	29.96 ⁱⁿ	10.0 ^mi	WNW (300°)	11.5 ^mph			Clear
5:55 PM	68.0 ^°F	55.4 ^°F	64 ^%	29.96 ⁱⁿ	10.0 ^mi	WNW (300°)	11.5 ^mph	19.6 ^mph		Clear
6:15 PM	66.2 ^°F	55.4 ^°F	68 ^%	29.96 ⁱⁿ	10.0 ^mi	West (280°)	15.0 ^mph	18.4 ^mph		Clear
6:35 PM	66.2 ^°F	55.4 ^°F	68 ^%	29.96 ⁱⁿ	10.0 ^mi	WNW (300°)	13.8 ^mph	18.4 ^mph		Clear
6:55 PM	64.4 ^°F	55.4 ^°F	73 ^%	29.96 ⁱⁿ	10.0 ^mi	WNW (300°)	10.4 ^mph			Clear
7:15 PM	62.6 ^°F	55.4 ^°F	77 ^%	29.97 ⁱⁿ	10.0 ^mi	WNW (300°)	9.2 ^mph	18.4 ^mph		Clear
7:35 PM	59.0 ^°F	55.4 ^°F	88 ^%	29.97 ⁱⁿ	10.0 ^mi	WNW (300°)	11.5 ^mph			Clear
7:55 PM	59.0 ^°F	55.4 ^°F	88 ^%	29.97 ⁱⁿ	10.0 ^mi	WNW (300°)	6.9 ^mph			Clear
8:15 PM	57.2 ^°F	55.4 ^°F	94 ^%	29.98 ⁱⁿ	10.0 ^mi	NW (310°)	6.9 ^mph			Mostly Cloudy
8:35 PM	57.2 ^°F	55.4 ^°F	94 ^%	29.98 ⁱⁿ	9.0 ^mi	WNW (300°)	10.4 ^mph	17.3 ^mph		Overcast
8:55 PM	59.0 ^°F	55.4 ^°F	88 ^%	29.99 ⁱⁿ	10.0 ^mi	WNW (300°)	8.1 ^mph			Overcast
9:15 PM	57.2 ^°F	55.4 ^°F	94 ^%	29.99 ⁱⁿ	9.0 ^mi	WNW (300°)	6.9 ^mph			Overcast
9:35 PM	59.0 ^°F	55.4 ^°F	88 ^%	29.99 ⁱⁿ	10.0 ^mi	NW (310°)	5.8 ^mph			Overcast
9:55 PM	57.2 ^°F	57.2 ^°F	100 ^%	29.99 ⁱⁿ	10.0 ^mi	NW (310°)	5.8 ^mph			Overcast
10:15 PM	57.2 ^°F	55.4 ^°F	94 ^%	29.99 ⁱⁿ	10.0 ^mi	NW (320°)	3.5 ^mph			Overcast
10:35 PM	57.2 ^°F	55.4 ^°F	94 ^%	30.00 ⁱⁿ	10.0 ^mi	West (260°)	10.4 ^mph			Overcast
10:55 PM	57.2 ^°F	55.4 ^°F	94 ^%	30.00 ⁱⁿ	10.0 ^mi	NW (320°)	4.6 ^mph			Overcast
11:15 PM	57.2 ^°F	55.4 ^°F	94 ^%	30.00 ⁱⁿ	10.0 ^mi	WNW (300°)	6.9 ^mph			Overcast
11:35 PM	57.2 ^°F	55.4 ^°F	94 ^%	30.00 ⁱⁿ	10.0 ^mi	WNW (290°)	9.2 ^mph			Overcast
11:55 PM	57.2 ^°F	55.4 ^°F	94 ^%	30.00 ⁱⁿ	10.0 ^mi	WNW (290°)	8.1 ^mph			Overcast

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