MERCER ISLAND, WASHINGTON

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Elevation: 69 meters Latitude: 47 32N Longitude: 122 18W

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Number of Records: 203,288; Date Range: 1/1/95 - 3/21/16

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WEATHER ALMANAC - 10 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	17.3 ^°C	22.2 ^°C (2:53 pm)	13.9 ^°C (4:53 am)
Dewpoint	7.6 ^°C	12.2 ^°C (11:53 am)	-3.3 ^°C (4:53 pm)
Humidity	58.9 ^%	87 ^% (5:53 am)	18 ^% (4:53 pm)
Barometer	1022.7 ^hPa	1023.7 hPa (10:53 am)	1021 hPa (1:53 am)
Wind Speed	6 ^km/h	14.8 ^km/h (3:53 pm)
Wind Gust		31.5 ^km/h (3:53 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SE (139.6 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	0.3 (Base 18.3)
Growing Degree Days	8.1 (Base 10)

Averaged from 26 records on 10 September, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 10 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
1:53 AM	15.6 ^°C	11.7 ^°C	78 ^%	1021 hPa	16.1 ^km	SW (220°)	5.6 ^km/h		Clear
2:53 AM	15 ^°C	11 ^°C	77 ^%	1021.3 hPa	16.1 ^km	Calm			Clear
3:51 AM	14 ^°C	11 ^°C	82 ^%	1021.3 hPa	16.1 ^km	South (190°)	5.6 ^km/h		Overcast
3:53 AM	14.4 ^°C	11.1 ^°C	81 ^%	1021.7 hPa	16.1 ^km	South (190°)	5.6 ^km/h		Overcast
4:53 AM	13.9 ^°C	11.1 ^°C	83 ^%	1022 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h		Overcast
5:53 AM	13.9 ^°C	11.7 ^°C	87 ^%	1022.4 hPa	16.1 ^km	South (180°)	5.6 ^km/h		Overcast
6:53 AM	14.4 ^°C	11.7 ^°C	84 ^%	1022.4 hPa	16.1 ^km	Calm			Overcast
7:53 AM	14.4 ^°C	11.7 ^°C	84 ^%	1023 hPa	16.1 ^km	Calm			Overcast
8:53 AM	15 ^°C	11.7 ^°C	81 ^%	1023.4 hPa	16.1 ^km	Calm			Overcast
9:53 AM	15 ^°C	11.7 ^°C	81 ^%	1023.4 hPa	16.1 ^km	Calm			Overcast
10:24 AM	16 ^°C	12 ^°C	77 ^%	1023.4 hPa	16.1 ^km	NNW (340°)	5.6 ^km/h		Overcast
10:53 AM	16.1 ^°C	11.7 ^°C	75 ^%	1023.7 hPa	16.1 ^km	Calm			Overcast
11:53 AM	16.7 ^°C	12.2 ^°C	75 ^%	1023.7 hPa	16.1 ^km	WNW (300°)	5.6 ^km/h		Overcast
12:53 PM	18.3 ^°C	12.2 ^°C	68 ^%	1023.4 hPa	16.1 ^km	Variable	7.4 ^km/h		Scattered Clouds
1:17 PM	19 ^°C	12 ^°C	64 ^%	1023.4 hPa	16.1 ^km	North (360°)	5.6 ^km/h		Scattered Clouds
1:53 PM	21.1 ^°C	11.7 ^°C	55 ^%	1023 hPa	16.1 ^km	Variable	9.3 ^km/h		Partly Cloudy
2:53 PM	22.2 ^°C	10.6 ^°C	48 ^%	1022.7 hPa	16.1 ^km	NW (320°)	13 ^km/h		Partly Cloudy
3:53 PM	21.7 ^°C	6.7 ^°C	38 ^%	1022.7 hPa	16.1 ^km	NNW (330°)	14.8 ^km/h	31.5 ^km/h	Partly Cloudy
4:53 PM	22.2 ^°C	-3.3 ^°C	18 ^%	1022.4 hPa	16.1 ^km	NW (320°)	14.8 ^km/h		Partly Cloudy
5:53 PM	21.1 ^°C	-0.6 ^°C	24 ^%	1022 hPa	16.1 ^km	Variable	9.3 ^km/h		Partly Cloudy
6:53 PM	20.6 ^°C	-2.8 ^°C	21 ^%	1021.7 hPa	16.1 ^km	NNW (330°)	13 ^km/h		Clear
7:53 PM	19.4 ^°C	-2.2 ^°C	23 ^%	1022 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h		Clear
8:53 PM	18.9 ^°C	-1.7 ^°C	25 ^%	1022.4 hPa	16.1 ^km	Variable	11.1 ^km/h		Clear
9:53 PM	17.8 ^°C	0 ^°C	30 ^%	1023.4 hPa	16.1 ^km	Calm			Clear
10:53 PM	17.2 ^°C	1.7 ^°C	35 ^%	1023.4 hPa	16.1 ^km	Calm			Clear
11:53 PM	17.2 ^°C	2.2 ^°C	37 ^%	1023.4 hPa	16.1 ^km	Variable	5.6 ^km/h		Clear

Hourly data recorded from KBFI, located 0 kilometers away from Mercer Island, Washington