CHELSEA, MASSACHUSETTS

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Elevation: 9 meters Latitude: 42 24N Longitude: 071 06W

WEATHER

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Number of Records: 218,377; Date Range: 1/1/95 - 3/21/16

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WEATHER ALMANAC - 23 MAY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	12.7 ^°C	17.8 ^°C (3:54 pm)	6.7 ^°C (5:54 am)
Dewpoint	-4.9 ^°C	0 ^°C (1:54 am)	-7.8 ^°C (8:54 am)
Humidity	30.8 ^%	49 ^% (4:54 am)	18 ^% (3:54 pm)
Barometer	1024.7 ^hPa	1027.1 hPa (10:54 am)	1018.3 hPa (12:54 am)
Wind Speed	21.4 ^km/h	31.5 ^km/h (2:54 pm)
Wind Gust		44.4 ^km/h (1:54 am)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	WNW (283.8 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	6.1 (Base 18.3)
Growing Degree Days	2.3 (Base 10)

Averaged from 24 records on 23 May, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 23 MAY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:54 AM	12.8 ^°C	-4.4 ^°C	30 ^%	1018.3 hPa	16.1 ^km	West (280°)	14.8 ^km/h		Clear
1:54 AM	10.6 ^°C	0 ^°C	48 ^%	1020 hPa	16.1 ^km	NNW (330°)	27.8 ^km/h	44.4 ^km/h	Clear
2:54 AM	9.4 ^°C	-1.1 ^°C	48 ^%	1021 hPa	16.1 ^km	NW (310°)	27.8 ^km/h	38.9 ^km/h	Partly Cloudy
3:54 AM	8.3 ^°C	-2.2 ^°C	48 ^%	1022 hPa	16.1 ^km	NW (310°)	25.9 ^km/h	38.9 ^km/h	Clear
4:54 AM	7.2 ^°C	-2.8 ^°C	49 ^%	1023.4 hPa	16.1 ^km	NW (310°)	24.1 ^km/h	35.2 ^km/h	Partly Cloudy
5:54 AM	6.7 ^°C	-5 ^°C	43 ^%	1025.1 hPa	16.1 ^km	NW (320°)	14.8 ^km/h	33.3 ^km/h	Partly Cloudy
6:54 AM	7.2 ^°C	-5.6 ^°C	40 ^%	1026.1 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h	33.3 ^km/h	Partly Cloudy
7:54 AM	8.3 ^°C	-6.7 ^°C	34 ^%	1026.4 hPa	16.1 ^km	WNW (300°)	20.4 ^km/h	37 ^km/h	Clear
8:54 AM	9.4 ^°C	-7.8 ^°C	29 ^%	1026.8 hPa	16.1 ^km	NW (320°)	18.5 ^km/h	40.7 ^km/h	Clear
9:54 AM	11.1 ^°C	-7.8 ^°C	26 ^%	1026.8 hPa	16.1 ^km	NW (310°)	24.1 ^km/h	35.2 ^km/h	Clear
10:54 AM	11.7 ^°C	-7.8 ^°C	25 ^%	1027.1 hPa	16.1 ^km	WNW (300°)	24.1 ^km/h	38.9 ^km/h	Partly Cloudy
11:54 AM	13.3 ^°C	-7.2 ^°C	24 ^%	1026.8 hPa	16.1 ^km	WNW (300°)	24.1 ^km/h	35.2 ^km/h	Partly Cloudy
12:54 PM	14.4 ^°C	-6.7 ^°C	23 ^%	1026.8 hPa	16.1 ^km	West (280°)	22.2 ^km/h	35.2 ^km/h	Clear
1:54 PM	15.6 ^°C	-6.7 ^°C	21 ^%	1026.4 hPa	16.1 ^km	West (280°)	27.8 ^km/h	42.6 ^km/h	Clear
2:54 PM	17.2 ^°C	-6.1 ^°C	20 ^%	1026.1 hPa	16.1 ^km	West (260°)	31.5 ^km/h	38.9 ^km/h	Clear
3:54 PM	17.8 ^°C	-6.7 ^°C	18 ^%	1025.4 hPa	16.1 ^km	West (270°)	16.7 ^km/h		Clear
4:54 PM	17.8 ^°C	-6.1 ^°C	19 ^%	1024.7 hPa	16.1 ^km	WNW (290°)	22.2 ^km/h	35.2 ^km/h	Clear
5:54 PM	17.8 ^°C	-5.6 ^°C	20 ^%	1024.7 hPa	16.1 ^km	West (260°)	20.4 ^km/h		Clear
6:54 PM	17.2 ^°C	-5.6 ^°C	21 ^%	1025.1 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h		Clear
7:54 PM	16.1 ^°C	-5.6 ^°C	22 ^%	1025.4 hPa	16.1 ^km	West (260°)	14.8 ^km/h		Partly Cloudy
8:54 PM	15.6 ^°C	-5 ^°C	24 ^%	1025.4 hPa	16.1 ^km	West (260°)	14.8 ^km/h		Partly Cloudy
9:54 PM	13.9 ^°C	-2.8 ^°C	32 ^%	1025.7 hPa	16.1 ^km	SW (220°)	13 ^km/h		Clear
10:54 PM	13.3 ^°C	-2.8 ^°C	33 ^%	1025.7 hPa	16.1 ^km	SW (230°)	20.4 ^km/h		Clear
11:54 PM	12.2 ^°C	-0.6 ^°C	41 ^%	1025.7 hPa	16.1 ^km	SW (220°)	24.1 ^km/h		Clear

Hourly data recorded from KBOS, located 0 kilometers away from Chelsea, Massachusetts