ROCKVILLE, MARYLAND

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Elevation: 127 meters Latitude: 39 06N Longitude: 077 06W

WEATHER

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Number of Records: 200,544; Date Range: 10/17/07 - 3/22/16

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WEATHER ALMANAC - 27 FEBRUARY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	-3.8 ^°C	-2 ^°C (12:15 am)	-8 ^°C (10:35 pm)
Dewpoint	-11.8 ^°C	-6 ^°C (1:15 am)	-19 ^°C (10:15 pm)
Humidity	55.7 ^%	74 ^% (1:15 am)	39 ^% (8:35 pm)
Barometer	1030.5 ^hPa	1038.9 hPa (11:55 pm)	1021.7 hPa (12:15 am)
Wind Speed	8.2 ^km/h	22.2 ^km/h (2:15 pm)
Wind Gust		31.5 ^km/h (1:15 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSW (210 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	23.3 (Base 18.3)

Averaged from 72 records on 27 February, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 27 FEBRUARY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:15 AM	-2 ^°C	-7 ^°C	69 ^%	1021.7 hPa	16.1 ^km	Calm			Overcast
12:35 AM	-2 ^°C	-7 ^°C	69 ^%	1022 hPa	16.1 ^km	Calm			Overcast
12:55 AM	-2 ^°C	-7 ^°C	69 ^%	1022 hPa	16.1 ^km	Calm			Overcast
1:15 AM	-2 ^°C	-6 ^°C	74 ^%	1022.7 hPa	16.1 ^km	Calm			Overcast
1:35 AM	-2 ^°C	-6 ^°C	74 ^%	1022.7 hPa	16.1 ^km	Calm			Overcast
1:55 AM	-2 ^°C	-6 ^°C	74 ^%	1022.7 hPa	16.1 ^km	Calm			Overcast
2:15 AM	-2 ^°C	-6 ^°C	74 ^%	1022.7 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h		Overcast
2:35 AM	-3 ^°C	-7 ^°C	74 ^%	1023 hPa	16.1 ^km	Calm			Overcast
2:55 AM	-3 ^°C	-7 ^°C	74 ^%	1023 hPa	16.1 ^km	Calm			Overcast
3:15 AM	-3 ^°C	-7 ^°C	74 ^%	1023.4 hPa	16.1 ^km	Calm			Overcast
3:35 AM	-3 ^°C	-7 ^°C	74 ^%	1023.7 hPa	16.1 ^km	Calm			Overcast
3:55 AM	-3 ^°C	-7 ^°C	74 ^%	1023.7 hPa	16.1 ^km	Calm			Mostly Cloudy
4:15 AM	-3 ^°C	-7 ^°C	74 ^%	1024 hPa	16.1 ^km	Calm			Mostly Cloudy
4:35 AM	-3 ^°C	-7 ^°C	74 ^%	1024.7 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Mostly Cloudy
4:55 AM	-3 ^°C	-7 ^°C	74 ^%	1024.7 hPa	16.1 ^km	Calm			Mostly Cloudy
5:15 AM	-3 ^°C	-7 ^°C	74 ^%	1025.1 hPa	16.1 ^km	Calm			Mostly Cloudy
5:35 AM	-3 ^°C	-8 ^°C	69 ^%	1025.7 hPa	16.1 ^km	Calm			Mostly Cloudy
5:55 AM	-3 ^°C	-8 ^°C	69 ^%	1026.1 hPa	16.1 ^km	NW (320°)	7.4 ^km/h		Mostly Cloudy
6:15 AM	-4 ^°C	-8 ^°C	74 ^%	1026.4 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		Scattered Clouds
6:35 AM	-4 ^°C	-8 ^°C	74 ^%	1026.8 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Scattered Clouds
6:55 AM	-4 ^°C	-9 ^°C	69 ^%	1027.1 hPa	16.1 ^km	NW (310°)	9.3 ^km/h		Clear
7:15 AM	-4 ^°C	-9 ^°C	69 ^%	1027.8 hPa	16.1 ^km	NW (310°)	11.1 ^km/h		Mostly Cloudy
7:35 AM	-4 ^°C	-10 ^°C	64 ^%	1028.1 hPa	16.1 ^km	WNW (300°)	13 ^km/h		Scattered Clouds
7:55 AM	-4 ^°C	-12 ^°C	54 ^%	1028.8 hPa	16.1 ^km	NW (310°)	16.7 ^km/h		Scattered Clouds
8:15 AM	-5 ^°C	-13 ^°C	54 ^%	1029.5 hPa	16.1 ^km	NW (310°)	16.7 ^km/h		Scattered Clouds
8:35 AM	-4 ^°C	-12 ^°C	54 ^%	1029.8 hPa	16.1 ^km	NW (320°)	13 ^km/h		Scattered Clouds
8:55 AM	-4 ^°C	-12 ^°C	54 ^%	1029.8 hPa	16.1 ^km	NW (320°)	13 ^km/h		Scattered Clouds
9:15 AM	-4 ^°C	-12 ^°C	54 ^%	1029.8 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h		Partly Cloudy
9:35 AM	-4 ^°C	-11 ^°C	59 ^%	1030.5 hPa	16.1 ^km	NW (310°)	14.8 ^km/h		Clear
9:55 AM	-3 ^°C	-9 ^°C	64 ^%	1030.5 hPa	16.1 ^km	NNW (340°)	11.1 ^km/h		Scattered Clouds
10:15 AM	-3 ^°C	-9 ^°C	64 ^%	1030.8 hPa	16.1 ^km	NNW (330°)	9.3 ^km/h		Mostly Cloudy
10:35 AM	-3 ^°C	-10 ^°C	59 ^%	1030.5 hPa	16.1 ^km	North (10°)	11.1 ^km/h		Mostly Cloudy
10:55 AM	-2 ^°C	-11 ^°C	51 ^%	1030.8 hPa	16.1 ^km	NW (320°)	7.4 ^km/h		Scattered Clouds
11:15 AM	-3 ^°C	-11 ^°C	55 ^%	1031.2 hPa	16.1 ^km	NW (320°)	13 ^km/h		Clear
11:35 AM	-4 ^°C	-12 ^°C	54 ^%	1031.2 hPa	16.1 ^km	North (350°)	7.4 ^km/h		Clear
11:55 AM	-3 ^°C	-10 ^°C	59 ^%	1031.5 hPa	16.1 ^km	North (10°)	9.3 ^km/h		Scattered Clouds
12:15 PM	-4 ^°C	-12 ^°C	54 ^%	1031.5 hPa	16.1 ^km	North (360°)	9.3 ^km/h		Mostly Cloudy
12:35 PM	-4 ^°C	-11 ^°C	59 ^%	1031.5 hPa	16.1 ^km	WNW (300°)	13 ^km/h		Scattered Clouds
12:55 PM	-3 ^°C	-12 ^°C	51 ^%	1031.5 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h		Scattered Clouds
1:15 PM	-3 ^°C	-14 ^°C	43 ^%	1031.5 hPa	16.1 ^km	NW (310°)	20.4 ^km/h	31.5 ^km/h	Partly Cloudy
1:35 PM	-3 ^°C	-13 ^°C	47 ^%	1031.5 hPa	16.1 ^km	WNW (300°)	13 ^km/h	25.9 ^km/h	Clear
1:55 PM	-3 ^°C	-13 ^°C	47 ^%	1031.5 hPa	16.1 ^km	NW (320°)	14.8 ^km/h	25.9 ^km/h	Clear
2:15 PM	-3 ^°C	-14 ^°C	43 ^%	1031.5 hPa	16.1 ^km	NW (310°)	22.2 ^km/h	27.8 ^km/h	Clear
2:35 PM	-3 ^°C	-13 ^°C	47 ^%	1031.8 hPa	16.1 ^km	NW (320°)	16.7 ^km/h	27.8 ^km/h	Clear
2:55 PM	-2 ^°C	-13 ^°C	43 ^%	1032.2 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h	29.6 ^km/h	Clear
3:15 PM	-3 ^°C	-14 ^°C	43 ^%	1032.2 hPa	16.1 ^km	NW (320°)	14.8 ^km/h	25.9 ^km/h	Clear
3:35 PM	-2 ^°C	-13 ^°C	43 ^%	1032.5 hPa	16.1 ^km	NW (320°)	13 ^km/h		Clear
3:55 PM	-3 ^°C	-14 ^°C	43 ^%	1032.8 hPa	16.1 ^km	WNW (300°)	13 ^km/h	27.8 ^km/h	Clear
4:15 PM	-3 ^°C	-14 ^°C	43 ^%	1032.8 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h	29.6 ^km/h	Clear
4:35 PM	-2 ^°C	-14 ^°C	40 ^%	1033.2 hPa	16.1 ^km	NW (310°)	14.8 ^km/h		Clear
4:55 PM	-3 ^°C	-14 ^°C	43 ^%	1033.2 hPa	16.1 ^km	NW (320°)	11.1 ^km/h	27.8 ^km/h	Clear
5:15 PM	-2 ^°C	-14 ^°C	40 ^%	1033.2 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h		Clear
5:35 PM	-3 ^°C	-14 ^°C	43 ^%	1033.2 hPa	16.1 ^km	NW (310°)	7.4 ^km/h		Clear
5:55 PM	-3 ^°C	-15 ^°C	40 ^%	1033.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h		Clear
6:15 PM	-3 ^°C	-14 ^°C	43 ^%	1033.9 hPa	16.1 ^km	Calm			Clear
6:35 PM	-4 ^°C	-14 ^°C	46 ^%	1034.2 hPa	16.1 ^km	NNE (20°)	5.6 ^km/h		Clear
6:55 PM	-4 ^°C	-14 ^°C	46 ^%	1034.9 hPa	16.1 ^km	Calm			Clear
7:15 PM	-5 ^°C	-14 ^°C	50 ^%	1035.2 hPa	16.1 ^km	Calm			Clear
7:35 PM	-6 ^°C	-14 ^°C	54 ^%	1035.6 hPa	16.1 ^km	Calm			Clear
7:55 PM	-6 ^°C	-14 ^°C	54 ^%	1035.9 hPa	16.1 ^km	NNW (340°)	7.4 ^km/h		Clear
8:15 PM	-5 ^°C	-16 ^°C	43 ^%	1035.9 hPa	16.1 ^km	NW (320°)	11.1 ^km/h		Clear
8:35 PM	-5 ^°C	-17 ^°C	39 ^%	1036.2 hPa	16.1 ^km	NW (320°)	13 ^km/h	29.6 ^km/h	Clear
8:55 PM	-6 ^°C	-17 ^°C	42 ^%	1036.9 hPa	16.1 ^km	Calm			Clear
9:15 PM	-6 ^°C	-17 ^°C	42 ^%	1036.9 hPa	16.1 ^km	NNW (330°)	13 ^km/h		Clear
9:35 PM	-7 ^°C	-18 ^°C	42 ^%	1037.3 hPa	16.1 ^km	NW (320°)	13 ^km/h		Clear
9:55 PM	-7 ^°C	-18 ^°C	42 ^%	1037.6 hPa	16.1 ^km	NNW (330°)	13 ^km/h		Clear
10:15 PM	-7 ^°C	-19 ^°C	39 ^%	1038.3 hPa	16.1 ^km	WNW (300°)	9.3 ^km/h		Clear
10:35 PM	-8 ^°C	-18 ^°C	45 ^%	1038.6 hPa	16.1 ^km	NW (320°)	7.4 ^km/h		Clear
10:55 PM	-8 ^°C	-18 ^°C	45 ^%	1038.6 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h		Clear
11:15 PM	-8 ^°C	-18 ^°C	45 ^%	1038.6 hPa	16.1 ^km	NNW (340°)	7.4 ^km/h		Clear
11:35 PM	-8 ^°C	-18 ^°C	45 ^%	1038.6 hPa	16.1 ^km	Calm			Clear
11:55 PM	-8 ^°C	-18 ^°C	45 ^%	1038.9 hPa	16.1 ^km	NNW (330°)	11.1 ^km/h		Clear

Hourly data recorded from KGAI, located 0 kilometers away from Rockville, Maryland