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 - 18 AUGUST, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	21.7 ^°C	27 ^°C (2:15 pm)	17 ^°C (3:55 am)
Dewpoint	16.6 ^°C	19 ^°C (3:35 pm)	14 ^°C (6:15 am)
Humidity	73.6 ^%	94 ^% (3:55 am)	57 ^% (1:35 pm)
Barometer	1013.9 ^hPa	1015.6 hPa (12:35 am)	1011.2 hPa (6:15 pm)
Wind Speed	4.7 ^km/h	14.8 ^km/h (2:35 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	ENE (60.6 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	3.7 (Base 18.3)
Growing Degree Days	12 (Base 10)

Averaged from 69 records on 18 August, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 18 AUGUST, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:35 AM	20 ^°C	16 ^°C	78 ^%	1015.6 hPa	16.1 ^km	Calm		Mostly Cloudy
12:55 AM	19 ^°C	16 ^°C	83 ^%	1015.2 hPa	16.1 ^km	Calm		Clear
1:15 AM	18 ^°C	16 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm		Clear
1:35 AM	18 ^°C	16 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm		Clear
1:55 AM	18 ^°C	16 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm		Clear
2:15 AM	18 ^°C	16 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm		Clear
2:35 AM	18 ^°C	16 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm		Mostly Cloudy
2:55 AM	18 ^°C	16 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm		Mostly Cloudy
3:15 AM	18 ^°C	16 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm		Mostly Cloudy
3:35 AM	18 ^°C	16 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm		Mostly Cloudy
3:55 AM	17 ^°C	16 ^°C	94 ^%	1014.6 hPa	16.1 ^km	Calm		Scattered Clouds
4:15 AM	17 ^°C	16 ^°C	94 ^%	1014.9 hPa	16.1 ^km	Calm		Overcast
4:35 AM	18 ^°C	16 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm		Mostly Cloudy
4:55 AM	17 ^°C	15 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm		Mostly Cloudy
5:15 AM	17 ^°C	15 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm		Mostly Cloudy
5:35 AM	17 ^°C	16 ^°C	94 ^%	1014.9 hPa	16.1 ^km	Calm		Mostly Cloudy
5:55 AM	18 ^°C	16 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm		Overcast
6:15 AM	19 ^°C	14 ^°C	73 ^%	1014.9 hPa	16.1 ^km	Calm		Overcast
6:35 AM	18 ^°C	14 ^°C	77 ^%	1015.2 hPa	16.1 ^km	Calm		Overcast
6:55 AM	18 ^°C	15 ^°C	83 ^%	1015.2 hPa	16.1 ^km	Calm		Overcast
7:15 AM	19 ^°C	14 ^°C	73 ^%	1015.2 hPa	12.9 ^km	Calm		Overcast
7:35 AM	19 ^°C	14 ^°C	73 ^%	1015.6 hPa	16.1 ^km	Calm		Overcast
7:55 AM	19 ^°C	14 ^°C	73 ^%	1015.6 hPa	16.1 ^km	Calm		Overcast
8:15 AM	19 ^°C	15 ^°C	78 ^%	1015.6 hPa	16.1 ^km	Calm		Overcast
8:35 AM	19 ^°C	15 ^°C	78 ^%	1015.6 hPa	16.1 ^km	Calm		Overcast
8:55 AM	20 ^°C	16 ^°C	78 ^%	1015.6 hPa	16.1 ^km	Calm		Overcast
9:15 AM	20 ^°C	16 ^°C	78 ^%	1015.2 hPa	16.1 ^km	East (100°)	5.6 ^km/h	Mostly Cloudy
9:35 AM	21 ^°C	16 ^°C	73 ^%	1015.2 hPa	16.1 ^km	Calm		Overcast
9:55 AM	21 ^°C	16 ^°C	73 ^%	1015.2 hPa	16.1 ^km	East (80°)	5.6 ^km/h	Scattered Clouds
10:15 AM	22 ^°C	16 ^°C	69 ^%	1015.2 hPa	16.1 ^km	East (90°)	5.6 ^km/h	Partly Cloudy
10:35 AM	22 ^°C	16 ^°C	69 ^%	1015.2 hPa	16.1 ^km	East (90°)	7.4 ^km/h	Scattered Clouds
10:55 AM	23 ^°C	16 ^°C	65 ^%	1015.2 hPa	16.1 ^km	ESE (110°)	7.4 ^km/h	Mostly Cloudy
11:15 AM	23 ^°C	16 ^°C	65 ^%	1015.2 hPa	16.1 ^km	SE (130°)	11.1 ^km/h	Overcast
11:35 AM	23 ^°C	16 ^°C	65 ^%	1015.2 hPa	16.1 ^km	ESE (120°)	11.1 ^km/h	Overcast
11:55 AM	23 ^°C	17 ^°C	69 ^%	1014.9 hPa	16.1 ^km	SE (130°)	11.1 ^km/h	Overcast
12:15 PM	24 ^°C	17 ^°C	65 ^%	1014.6 hPa	16.1 ^km	East (80°)	5.6 ^km/h	Mostly Cloudy
12:35 PM	24 ^°C	17 ^°C	65 ^%	1014.6 hPa	16.1 ^km	SE (140°)	11.1 ^km/h	Scattered Clouds
12:55 PM	25 ^°C	17 ^°C	61 ^%	1014.2 hPa	16.1 ^km	East (80°)	7.4 ^km/h	Mostly Cloudy
1:15 PM	25 ^°C	17 ^°C	61 ^%	1013.9 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h	Partly Cloudy
1:35 PM	26 ^°C	17 ^°C	57 ^%	1013.5 hPa	16.1 ^km	East (100°)	7.4 ^km/h	Clear
1:55 PM	26 ^°C	18 ^°C	61 ^%	1013.2 hPa	16.1 ^km	East (90°)	7.4 ^km/h	Clear
2:15 PM	27 ^°C	18 ^°C	58 ^%	1013.2 hPa	16.1 ^km	SE (140°)	11.1 ^km/h	Clear
2:35 PM	27 ^°C	18 ^°C	58 ^%	1012.9 hPa	16.1 ^km	SSE (150°)	14.8 ^km/h	Clear
2:55 PM	27 ^°C	18 ^°C	58 ^%	1012.5 hPa	16.1 ^km	ESE (110°)	13 ^km/h	Clear
3:15 PM	26 ^°C	18 ^°C	61 ^%	1012.5 hPa	16.1 ^km	SE (130°)	9.3 ^km/h	Mostly Cloudy
3:35 PM	27 ^°C	19 ^°C	61 ^%	1012.2 hPa	16.1 ^km	ESE (120°)	14.8 ^km/h	Scattered Clouds
3:55 PM	26 ^°C	18 ^°C	61 ^%	1011.9 hPa	16.1 ^km	SE (130°)	11.1 ^km/h	Mostly Cloudy
4:15 PM	26 ^°C	19 ^°C	65 ^%	1011.9 hPa	16.1 ^km	East (100°)	7.4 ^km/h	Scattered Clouds
4:35 PM	26 ^°C	19 ^°C	65 ^%	1011.9 hPa	16.1 ^km	ESE (110°)	9.3 ^km/h	Mostly Cloudy
4:55 PM	26 ^°C	19 ^°C	65 ^%	1011.5 hPa	16.1 ^km	East (90°)	7.4 ^km/h	Mostly Cloudy
5:15 PM	26 ^°C	19 ^°C	65 ^%	1011.5 hPa	16.1 ^km	East (100°)	9.3 ^km/h	Partly Cloudy
5:35 PM	25 ^°C	18 ^°C	65 ^%	1011.5 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h	Mostly Cloudy
5:55 PM	25 ^°C	18 ^°C	65 ^%	1011.5 hPa	16.1 ^km	East (90°)	9.3 ^km/h	Mostly Cloudy
6:15 PM	24 ^°C	18 ^°C	69 ^%	1011.2 hPa	16.1 ^km	ESE (110°)	7.4 ^km/h	Scattered Clouds
6:35 PM	24 ^°C	18 ^°C	69 ^%	1011.2 hPa	16.1 ^km	ESE (110°)	7.4 ^km/h	Mostly Cloudy
7:15 PM	24 ^°C	18 ^°C	69 ^%	1011.5 hPa	16.1 ^km	East (100°)	5.6 ^km/h	Overcast
7:35 PM	24 ^°C	17 ^°C	65 ^%	1011.5 hPa	16.1 ^km	East (100°)	5.6 ^km/h	Overcast
7:55 PM	23 ^°C	17 ^°C	69 ^%	1011.9 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h	Overcast
8:15 PM	23 ^°C	17 ^°C	69 ^%	1011.9 hPa	16.1 ^km	East (90°)	5.6 ^km/h	Overcast
8:35 PM	23 ^°C	17 ^°C	69 ^%	1011.9 hPa	16.1 ^km	East (100°)	5.6 ^km/h	Mostly Cloudy
8:55 PM	22 ^°C	17 ^°C	73 ^%	1011.9 hPa	16.1 ^km	East (100°)	7.4 ^km/h	Scattered Clouds
9:15 PM	22 ^°C	17 ^°C	73 ^%	1012.2 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h	Scattered Clouds
9:35 PM	22 ^°C	17 ^°C	73 ^%	1012.2 hPa	16.1 ^km	East (90°)	7.4 ^km/h	Scattered Clouds
9:55 PM	22 ^°C	17 ^°C	73 ^%	1012.2 hPa	16.1 ^km	Calm		Clear
10:15 PM	21 ^°C	17 ^°C	78 ^%	1012.2 hPa	16.1 ^km	East (100°)	7.4 ^km/h	Clear
10:35 PM	21 ^°C	16 ^°C	73 ^%	1012.2 hPa	16.1 ^km	Calm		Partly Cloudy
10:55 PM	21 ^°C	16 ^°C	73 ^%	1012.2 hPa	16.1 ^km	East (90°)	5.6 ^km/h	Partly Cloudy
11:15 PM	21 ^°C	17 ^°C	78 ^%	1012.2 hPa	16.1 ^km	Calm		Mostly Cloudy
11:35 PM	21 ^°C	17 ^°C	78 ^%	1012.2 hPa	16.1 ^km	East (90°)	5.6 ^km/h	Overcast

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