POTOMAC, MARYLAND

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Elevation: 8 meters Latitude: 39 02N Longitude: 077 15W

WEATHER

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

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WEATHER ALMANAC - 25 MARCH, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	3.3 ^°C	9 ^°C (3:55 pm)	-4 ^°C (5:55 am)
Dewpoint	-3.5 ^°C	2 ^°C (11:35 pm)	-9 ^°C (12:35 am)
Humidity	62.2 ^%	75 ^% (9:55 am)	46 ^% (3:35 pm)
Barometer	1027.1 ^hPa	1030.1 hPa (8:15 am)	1021.7 hPa (11:35 pm)
Wind Speed	7.9 ^km/h	20.4 ^km/h (2:55 pm)
Wind Gust		31.5 ^km/h (4:15 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	ESE (105.4 °)

Weather Element	Total
Precipitation	0.51 ^mm
Heating Degree Days	15.8 (Base 18.3)

Averaged from 69 records on 25 March, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 25 MARCH, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Conditions
12:15 AM	-2 ^°C	-8 ^°C	64 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
12:35 AM	-2 ^°C	-9 ^°C	59 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
12:55 AM	-2 ^°C	-8 ^°C	64 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
1:15 AM	-2 ^°C	-9 ^°C	59 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
1:35 AM	-2 ^°C	-8 ^°C	64 ^%	1029.5 hPa	16.1 ^km	Calm				Clear
1:55 AM	-2 ^°C	-8 ^°C	64 ^%	1029.5 hPa	16.1 ^km	Calm				Clear
2:15 AM	-3 ^°C	-8 ^°C	69 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
2:35 AM	-3 ^°C	-8 ^°C	69 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
2:55 AM	-3 ^°C	-8 ^°C	69 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
3:15 AM	-3 ^°C	-7 ^°C	74 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
3:35 AM	-3 ^°C	-7 ^°C	74 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
3:55 AM	-3 ^°C	-8 ^°C	69 ^%	1029.8 hPa	16.1 ^km	Calm				Clear
4:15 AM	-3 ^°C	-8 ^°C	69 ^%	1029.5 hPa	16.1 ^km	Calm				Clear
4:35 AM	-3 ^°C	-8 ^°C	69 ^%	1029.5 hPa	16.1 ^km	Calm				Clear
4:55 AM	-3 ^°C	-7 ^°C	74 ^%	1029.5 hPa	16.1 ^km	Calm				Clear
5:15 AM	-3 ^°C	-8 ^°C	69 ^%	1029.5 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h			Clear
5:35 AM	-3 ^°C	-9 ^°C	64 ^%	1029.5 hPa	16.1 ^km	ESE (110°)	5.6 ^km/h			Clear
5:55 AM	-4 ^°C	-9 ^°C	69 ^%	1029.5 hPa	16.1 ^km	Calm				Clear
6:15 AM	-3 ^°C	-8 ^°C	69 ^%	1029.5 hPa	16.1 ^km	SE (130°)	5.6 ^km/h			Clear
6:35 AM	-3 ^°C	-7 ^°C	74 ^%	1029.8 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Partly Cloudy
6:55 AM	-2 ^°C	-6 ^°C	74 ^%	1029.5 hPa	16.1 ^km	ESE (120°)	7.4 ^km/h			Mostly Cloudy
7:15 AM	-1 ^°C	-6 ^°C	69 ^%	1029.8 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
7:35 AM	-1 ^°C	-6 ^°C	69 ^%	1029.8 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
7:55 AM	0 ^°C	-5 ^°C	69 ^%	1029.8 hPa	16.1 ^km	SE (130°)	5.6 ^km/h			Overcast
8:15 AM	0 ^°C	-5 ^°C	69 ^%	1030.1 hPa	16.1 ^km	SE (140°)	5.6 ^km/h			Mostly Cloudy
8:35 AM	0 ^°C	-5 ^°C	69 ^%	1030.1 hPa	16.1 ^km	SE (130°)	5.6 ^km/h			Mostly Cloudy
8:55 AM	1 ^°C	-5 ^°C	65 ^%	1030.1 hPa	16.1 ^km	SE (140°)	7.4 ^km/h			Overcast
9:15 AM	1 ^°C	-4 ^°C	70 ^%	1030.1 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
9:35 AM	1 ^°C	-4 ^°C	70 ^%	1030.1 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
9:55 AM	1 ^°C	-3 ^°C	75 ^%	1030.1 hPa	12.9 ^km	SE (130°)	7.4 ^km/h			Overcast
10:15 AM	1 ^°C	-3 ^°C	75 ^%	1030.1 hPa	16.1 ^km	SE (130°)	5.6 ^km/h		0.25 mm	Overcast
10:55 AM	2 ^°C	-2 ^°C	75 ^%	1029.1 hPa	16.1 ^km	ESE (120°)	14.8 ^km/h		0.25 mm	Overcast
11:15 AM	2 ^°C	-2 ^°C	75 ^%	1028.8 hPa	16.1 ^km	ESE (120°)	11.1 ^km/h			Overcast
11:35 AM	2 ^°C	-2 ^°C	75 ^%	1029.5 hPa	16.1 ^km	SE (140°)	13 ^km/h			Overcast
11:55 AM	3 ^°C	-3 ^°C	65 ^%	1029.5 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Overcast
12:15 PM	3 ^°C	-2 ^°C	70 ^%	1028.8 hPa	16.1 ^km	SE (140°)	14.8 ^km/h			Overcast
12:35 PM	4 ^°C	-3 ^°C	61 ^%	1028.4 hPa	16.1 ^km	SE (140°)	13 ^km/h			Overcast
12:55 PM	5 ^°C	-2 ^°C	61 ^%	1027.8 hPa	16.1 ^km	ESE (120°)	16.7 ^km/h			Overcast
1:15 PM	6 ^°C	-3 ^°C	53 ^%	1027.8 hPa	16.1 ^km	ESE (120°)	13 ^km/h			Overcast
1:35 PM	6 ^°C	-3 ^°C	53 ^%	1027.4 hPa	16.1 ^km	ESE (120°)	16.7 ^km/h			Overcast
1:55 PM	7 ^°C	-3 ^°C	49 ^%	1026.8 hPa	16.1 ^km	SE (130°)	9.3 ^km/h			Overcast
2:15 PM	7 ^°C	-3 ^°C	49 ^%	1026.1 hPa	16.1 ^km	ESE (120°)	13 ^km/h			Overcast
2:55 PM	8 ^°C	-2 ^°C	50 ^%	1025.4 hPa	16.1 ^km	SE (140°)	20.4 ^km/h			Overcast
3:35 PM	8 ^°C	-3 ^°C	46 ^%	1025.1 hPa	16.1 ^km	SE (140°)	18.5 ^km/h			Mostly Cloudy
3:55 PM	9 ^°C	-2 ^°C	46 ^%	1024.4 hPa	16.1 ^km	SSE (150°)	14.8 ^km/h			Overcast
4:15 PM	9 ^°C	-2 ^°C	46 ^%	1024.4 hPa	16.1 ^km	SSE (160°)	16.7 ^km/h	31.5 ^km/h		Overcast
4:35 PM	9 ^°C	-2 ^°C	46 ^%	1024.4 hPa	16.1 ^km	SSE (150°)	18.5 ^km/h			Overcast
4:55 PM	9 ^°C	-2 ^°C	46 ^%	1024 hPa	16.1 ^km	South (170°)	13 ^km/h	27.8 ^km/h		Overcast
5:15 PM	9 ^°C	-2 ^°C	46 ^%	1024 hPa	16.1 ^km	South (170°)	13 ^km/h			Overcast
5:35 PM	9 ^°C	-1 ^°C	50 ^%	1023.7 hPa	16.1 ^km	SSE (160°)	13 ^km/h			Overcast
5:55 PM	9 ^°C	-1 ^°C	50 ^%	1023.7 hPa	16.1 ^km	SSE (160°)	13 ^km/h			Overcast
6:15 PM	9 ^°C	-1 ^°C	50 ^%	1023.4 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h			Overcast
6:35 PM	9 ^°C	0 ^°C	54 ^%	1023.7 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h			Overcast
6:55 PM	9 ^°C	0 ^°C	54 ^%	1023.4 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h			Overcast
7:15 PM	9 ^°C	1 ^°C	58 ^%	1023.4 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h			Overcast
7:35 PM	9 ^°C	1 ^°C	58 ^%	1023 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h			Overcast
7:55 PM	9 ^°C	1 ^°C	58 ^%	1022.7 hPa	16.1 ^km	SE (140°)	11.1 ^km/h			Overcast
8:15 PM	9 ^°C	1 ^°C	58 ^%	1022.7 hPa	16.1 ^km	SE (140°)	13 ^km/h			Overcast
8:35 PM	9 ^°C	1 ^°C	58 ^%	1022.4 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h			Overcast
8:55 PM	9 ^°C	1 ^°C	58 ^%	1022.7 hPa	16.1 ^km	SE (140°)	11.1 ^km/h			Overcast
9:15 PM	9 ^°C	1 ^°C	58 ^%	1023 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h			Overcast
9:35 PM	9 ^°C	1 ^°C	58 ^%	1023 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h			Overcast
9:55 PM	9 ^°C	1 ^°C	58 ^%	1022.7 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h			Overcast
10:15 PM	9 ^°C	1 ^°C	58 ^%	1022.7 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h			Overcast
10:35 PM	8 ^°C	1 ^°C	62 ^%	1022 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h			Overcast
10:55 PM	8 ^°C	1 ^°C	62 ^%	1022 hPa	16.1 ^km	SE (140°)	13 ^km/h			Partly Cloudy
11:15 PM	8 ^°C	1 ^°C	62 ^%	1022 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h			Clear
11:35 PM	8 ^°C	2 ^°C	66 ^%	1021.7 hPa	16.1 ^km	SE (130°)	7.4 ^km/h			Mostly Cloudy
11:55 PM	8 ^°C	1 ^°C	62 ^%	1021.7 hPa	16.1 ^km	Calm				Mostly Cloudy

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