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 - 11 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	18.8 ^°C	25.6 ^°C (7:53 pm)	12.2 ^°C (6:53 am)
Dewpoint	1.9 ^°C	5 ^°C (4:53 pm)	-1.7 ^°C (11:53 am)
Humidity	35.5 ^%	62 ^% (10:53 pm)	17 ^% (4:53 pm)
Barometer	1023.7 ^hPa	1026.1 hPa (7:53 am)	1020.3 hPa (5:53 am)
Wind Speed	3.9 ^km/h	11.1 ^km/h (5:53 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	E (87.1 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	0.6 (Base 18.3)
Growing Degree Days	8.9 (Base 10)

Averaged from 24 records on 11 September, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 11 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:53 AM	15.6 ^°C	2.8 ^°C	42 ^%	1023.7 hPa	16.1 ^km	Calm		Clear
1:53 AM	15 ^°C	4.4 ^°C	49 ^%	1024 hPa	16.1 ^km	Calm		Clear
2:53 AM	14.4 ^°C	3.9 ^°C	49 ^%	1024.4 hPa	16.1 ^km	Calm		Clear
3:53 AM	14.4 ^°C	4.4 ^°C	51 ^%	1024.4 hPa	16.1 ^km	NNW (330°)	5.6 ^km/h	Clear
4:53 AM	13.9 ^°C	4.4 ^°C	53 ^%	1024.7 hPa	16.1 ^km	West (280°)	5.6 ^km/h	Clear
5:53 AM	12.8 ^°C	5 ^°C	59 ^%	1025.1 hPa	16.1 ^km	Calm		Clear
6:53 AM	12.2 ^°C	5 ^°C	62 ^%	1025.1 hPa	16.1 ^km	Calm		Partly Cloudy
7:53 AM	14.4 ^°C	5 ^°C	53 ^%	1026.1 hPa	16.1 ^km	Calm		Partly Cloudy
8:53 AM	17.8 ^°C	4.4 ^°C	41 ^%	1026.1 hPa	16.1 ^km	NNW (340°)	5.6 ^km/h	Scattered Clouds
9:53 AM	18.9 ^°C	3.3 ^°C	36 ^%	1026.1 hPa	16.1 ^km	North (360°)	5.6 ^km/h	Clear
10:53 AM	21.1 ^°C	0 ^°C	25 ^%	1026.1 hPa	16.1 ^km	East (80°)	9.3 ^km/h	Partly Cloudy
11:53 AM	21.7 ^°C	-1.7 ^°C	21 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
12:53 PM	23 ^°C	-1 ^°C	20 ^%	1025.1 hPa	16.1 ^km	Variable	9.3 ^km/h	Clear
1:53 PM	23.9 ^°C	-1.7 ^°C	18 ^%	1024.4 hPa	16.1 ^km	North (360°)	11.1 ^km/h	Clear
2:53 PM	24.4 ^°C	-1.7 ^°C	18 ^%	1023.4 hPa	16.1 ^km	Variable	7.4 ^km/h	Clear
3:53 PM	24.4 ^°C	-1.7 ^°C	18 ^%	1022.4 hPa	16.1 ^km	Variable	9.3 ^km/h	Clear
4:53 PM	25.6 ^°C	-1.1 ^°C	17 ^%	1022 hPa	16.1 ^km	Variable	5.6 ^km/h	Clear
5:53 PM	24.4 ^°C	0 ^°C	20 ^%	1021.3 hPa	16.1 ^km	Variable	9.3 ^km/h	Clear
6:53 PM	22.8 ^°C	0 ^°C	22 ^%	1021 hPa	16.1 ^km	NNW (340°)	7.4 ^km/h	Clear
7:53 PM	21.1 ^°C	1.7 ^°C	28 ^%	1021 hPa	16.1 ^km	Calm		Clear
8:53 PM	19.4 ^°C	1.1 ^°C	30 ^%	1021 hPa	16.1 ^km	Calm		Clear
9:53 PM	17.2 ^°C	3.3 ^°C	40 ^%	1021 hPa	16.1 ^km	Calm		Clear
10:53 PM	16.7 ^°C	3.3 ^°C	41 ^%	1020.7 hPa	16.1 ^km	Calm		Clear
11:53 PM	16.7 ^°C	2.2 ^°C	38 ^%	1020.3 hPa	16.1 ^km	Calm		Clear

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