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 - 20 AUGUST, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	22.2 ^°C	28 ^°C (12:15 pm)	18 ^°C (11:15 pm)
Dewpoint	18.2 ^°C	19 ^°C (9:55 am)	17 ^°C (5:35 am)
Humidity	79.3 ^%	100 ^% (11:15 pm)	51 ^% (1:35 pm)
Barometer	1016.3 ^hPa	1018.6 hPa (11:55 pm)	1014.6 hPa (3:15 am)
Wind Speed	7.2 ^km/h	18.5 ^km/h (12:15 pm)
Wind Gust		29.6 ^km/h (1:35 pm)

Weather Element	Average
Visibility	14.5 ^km
Wind Direction	E (89.9 °)

Weather Element	Total
Precipitation	5.08 ^mm
Cooling Degree Days	4.7 (Base 18.3)
Growing Degree Days	13 (Base 10)

Averaged from 71 records on 20 August, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 20 AUGUST, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Conditions
12:35 AM	21 ^°C	18 ^°C	83 ^%	1014.9 hPa	16.1 ^km	Calm				Clear
12:55 AM	21 ^°C	18 ^°C	83 ^%	1015.2 hPa	16.1 ^km	ESE (120°)	5.6 ^km/h			Partly Cloudy
1:15 AM	20 ^°C	18 ^°C	88 ^%	1015.2 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Mostly Cloudy
1:35 AM	21 ^°C	18 ^°C	83 ^%	1015.2 hPa	16.1 ^km	ESE (120°)	11.1 ^km/h			Overcast
1:55 AM	21 ^°C	18 ^°C	83 ^%	1015.2 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
2:15 AM	21 ^°C	18 ^°C	83 ^%	1014.9 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
2:35 AM	21 ^°C	18 ^°C	83 ^%	1014.9 hPa	16.1 ^km	Calm				Overcast
2:55 AM	21 ^°C	18 ^°C	83 ^%	1014.9 hPa	14.5 ^km	Calm				Mostly Cloudy
3:15 AM	21 ^°C	18 ^°C	83 ^%	1014.6 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Scattered Clouds
3:35 AM	19 ^°C	18 ^°C	94 ^%	1014.6 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Mostly Cloudy
3:55 AM	19 ^°C	18 ^°C	94 ^%	1014.6 hPa	16.1 ^km	SE (140°)	7.4 ^km/h			Scattered Clouds
4:15 AM	19 ^°C	18 ^°C	94 ^%	1014.6 hPa	16.1 ^km	Calm				Scattered Clouds
4:35 AM	19 ^°C	18 ^°C	94 ^%	1014.9 hPa	16.1 ^km	Calm				Mostly Cloudy
4:55 AM	19 ^°C	18 ^°C	94 ^%	1014.9 hPa	16.1 ^km	Calm				Overcast
5:15 AM	19 ^°C	18 ^°C	94 ^%	1014.9 hPa	16.1 ^km	Calm				Mostly Cloudy
5:35 AM	19 ^°C	17 ^°C	88 ^%	1015.2 hPa	16.1 ^km	Calm				Mostly Cloudy
5:55 AM	19 ^°C	18 ^°C	94 ^%	1015.2 hPa	16.1 ^km	Calm				Overcast
6:15 AM	20 ^°C	18 ^°C	88 ^%	1015.6 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Overcast
6:35 AM	20 ^°C	17 ^°C	83 ^%	1015.9 hPa	16.1 ^km	SE (140°)	9.3 ^km/h			Overcast
6:55 AM	20 ^°C	18 ^°C	88 ^%	1015.9 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Overcast
7:15 AM	20 ^°C	17 ^°C	83 ^%	1016.3 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Overcast
7:35 AM	20 ^°C	17 ^°C	83 ^%	1016.3 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Overcast
7:55 AM	21 ^°C	18 ^°C	83 ^%	1016.3 hPa	16.1 ^km	SSE (150°)	5.6 ^km/h			Overcast
8:15 AM	21 ^°C	18 ^°C	83 ^%	1016.6 hPa	16.1 ^km	Calm				Overcast
8:35 AM	21 ^°C	18 ^°C	83 ^%	1016.6 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Overcast
8:55 AM	22 ^°C	18 ^°C	78 ^%	1016.6 hPa	16.1 ^km	SE (140°)	11.1 ^km/h			Overcast
9:15 AM	22 ^°C	18 ^°C	78 ^%	1016.9 hPa	16.1 ^km	SE (130°)	13 ^km/h			Overcast
9:35 AM	22 ^°C	18 ^°C	78 ^%	1016.9 hPa	16.1 ^km	ESE (120°)	9.3 ^km/h			Mostly Cloudy
9:55 AM	23 ^°C	19 ^°C	78 ^%	1017.3 hPa	16.1 ^km	SE (140°)	13 ^km/h			Scattered Clouds
10:15 AM	24 ^°C	19 ^°C	73 ^%	1017.6 hPa	16.1 ^km	SSE (150°)	11.1 ^km/h			Mostly Cloudy
10:35 AM	25 ^°C	19 ^°C	69 ^%	1017.3 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h			Partly Cloudy
10:55 AM	26 ^°C	18 ^°C	61 ^%	1017.3 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h			Clear
11:15 AM	26 ^°C	18 ^°C	61 ^%	1017.3 hPa	16.1 ^km	SE (130°)	14.8 ^km/h			Mostly Cloudy
11:35 AM	26 ^°C	18 ^°C	61 ^%	1017.3 hPa	16.1 ^km	SE (140°)	16.7 ^km/h			Scattered Clouds
11:55 AM	27 ^°C	18 ^°C	58 ^%	1016.9 hPa	16.1 ^km	SSE (150°)	16.7 ^km/h			Clear
12:15 PM	28 ^°C	18 ^°C	54 ^%	1016.9 hPa	16.1 ^km	SSE (150°)	18.5 ^km/h			Clear
12:35 PM	28 ^°C	18 ^°C	54 ^%	1016.6 hPa	16.1 ^km	SSE (150°)	18.5 ^km/h	27.8 ^km/h		Clear
12:55 PM	28 ^°C	18 ^°C	54 ^%	1016.6 hPa	16.1 ^km	SSE (150°)	16.7 ^km/h			Clear
1:15 PM	28 ^°C	18 ^°C	54 ^%	1015.9 hPa	16.1 ^km	South (180°)	14.8 ^km/h	27.8 ^km/h		Clear
1:35 PM	28 ^°C	17 ^°C	51 ^%	1015.9 hPa	16.1 ^km	South (170°)	16.7 ^km/h	29.6 ^km/h		Clear
1:55 PM	28 ^°C	18 ^°C	54 ^%	1015.6 hPa	16.1 ^km	SSE (160°)	16.7 ^km/h			Clear
2:15 PM	28 ^°C	18 ^°C	54 ^%	1015.6 hPa	16.1 ^km	SSE (150°)	16.7 ^km/h			Clear
2:35 PM	27 ^°C	18 ^°C	58 ^%	1015.9 hPa	16.1 ^km	SSE (150°)	11.1 ^km/h	25.9 ^km/h		Mostly Cloudy
2:55 PM	27 ^°C	18 ^°C	58 ^%	1015.9 hPa	16.1 ^km	SSE (150°)	14.8 ^km/h			Overcast
3:15 PM	28 ^°C	19 ^°C	58 ^%	1015.9 hPa	16.1 ^km	SSE (150°)	16.7 ^km/h			Overcast
3:35 PM	27 ^°C	18 ^°C	58 ^%	1015.6 hPa	16.1 ^km	ESE (120°)	16.7 ^km/h			Overcast
3:55 PM	27 ^°C	18 ^°C	58 ^%	1015.9 hPa	16.1 ^km	SE (140°)	14.8 ^km/h			Overcast
4:15 PM	27 ^°C	19 ^°C	61 ^%	1016.3 hPa	11.3 ^km	WSW (250°)	7.4 ^km/h		0.25 mm	Overcast
4:35 PM	22 ^°C	19 ^°C	83 ^%	1016.6 hPa	12.9 ^km	Calm			1.78 mm	Overcast
4:55 PM	22 ^°C	19 ^°C	83 ^%	1016.6 hPa	11.3 ^km	Calm			2.29 mm	Mostly Cloudy
5:15 PM	22 ^°C	19 ^°C	83 ^%	1016.6 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h		0.25 mm	Scattered Clouds
5:35 PM	22 ^°C	19 ^°C	83 ^%	1016.6 hPa	14.5 ^km	ESE (120°)	7.4 ^km/h		0.25 mm	Partly Cloudy
5:55 PM	21 ^°C	19 ^°C	88 ^%	1016.6 hPa	11.3 ^km	East (100°)	5.6 ^km/h		0.25 mm	Partly Cloudy
6:15 PM	21 ^°C	19 ^°C	88 ^%	1016.3 hPa	11.3 ^km	SE (140°)	11.1 ^km/h			Partly Cloudy
6:35 PM	22 ^°C	19 ^°C	83 ^%	1016.3 hPa	14.5 ^km	SE (140°)	5.6 ^km/h			Partly Cloudy
6:55 PM	22 ^°C	19 ^°C	83 ^%	1016.3 hPa	16.1 ^km	SE (140°)	7.4 ^km/h			Clear
7:15 PM	22 ^°C	19 ^°C	83 ^%	1016.3 hPa	16.1 ^km	SE (130°)	11.1 ^km/h			Clear
7:35 PM	21 ^°C	19 ^°C	88 ^%	1016.6 hPa	16.1 ^km	Calm				Clear
7:55 PM	21 ^°C	19 ^°C	88 ^%	1016.6 hPa	16.1 ^km	Calm				Clear
8:15 PM	21 ^°C	18 ^°C	83 ^%	1016.3 hPa	16.1 ^km	Calm				Clear
8:35 PM	20 ^°C	18 ^°C	88 ^%	1016.6 hPa	11.3 ^km	Calm				Clear
8:55 PM	20 ^°C	18 ^°C	88 ^%	1016.9 hPa	11.3 ^km	Calm				Clear
9:15 PM	20 ^°C	18 ^°C	88 ^%	1016.9 hPa	12.9 ^km	Calm				Clear
9:35 PM	19 ^°C	18 ^°C	94 ^%	1016.9 hPa	11.3 ^km	Calm				Clear
9:55 PM	19 ^°C	18 ^°C	94 ^%	1017.6 hPa	4.8 ^km	Calm				Clear
10:15 PM	19 ^°C	18 ^°C	94 ^%	1017.9 hPa	6.4 ^km	Calm				Clear
10:35 PM	19 ^°C	18 ^°C	94 ^%	1017.9 hPa	11.3 ^km	Calm				Clear
10:55 PM	19 ^°C	18 ^°C	94 ^%	1017.9 hPa	4.8 ^km	Calm				Clear
11:15 PM	18 ^°C	18 ^°C	100 ^%	1017.9 hPa	8 ^km	Calm				Clear
11:35 PM	19 ^°C	18 ^°C	94 ^%	1017.9 hPa	4.8 ^km	Calm				Clear
11:55 PM	19 ^°C	18 ^°C	94 ^%	1018.6 hPa	8 ^km	Calm				Clear

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