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 - 26 MARCH, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	12.9 ^°C	23 ^°C (4:55 pm)	5 ^°C (1:35 am)
Dewpoint	7.9 ^°C	15 ^°C (2:15 pm)	0 ^°C (1:35 am)
Humidity	72.5 ^%	94 ^% (12:15 pm)	50 ^% (5:35 pm)
Barometer	1011.5 ^hPa	1021.3 hPa (12:15 am)	1003 hPa (5:55 pm)
Wind Speed	10.3 ^km/h	24.1 ^km/h (3:15 pm)
Wind Gust		37 ^km/h (3:35 pm)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SSE (156.6 °)

Weather Element	Total
Precipitation	9.4 ^mm
Heating Degree Days	4.3 (Base 18.3)
Growing Degree Days	4 (Base 10)

Averaged from 71 records on 26 March, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 26 MARCH, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:15 AM	7 ^°C	1 ^°C	66 ^%	1021.3 hPa	16.1 ^km	SSE (150°)	5.6 ^km/h				Partly Cloudy
12:35 AM	7 ^°C	1 ^°C	66 ^%	1020.7 hPa	16.1 ^km	Calm					Scattered Clouds
12:55 AM	6 ^°C	1 ^°C	70 ^%	1020.3 hPa	16.1 ^km	Calm					Partly Cloudy
1:15 AM	6 ^°C	1 ^°C	70 ^%	1020 hPa	16.1 ^km	Calm					Partly Cloudy
1:35 AM	5 ^°C	0 ^°C	70 ^%	1020 hPa	16.1 ^km	Calm					Scattered Clouds
1:55 AM	6 ^°C	1 ^°C	70 ^%	1019.6 hPa	16.1 ^km	Calm					Mostly Cloudy
2:15 AM	6 ^°C	2 ^°C	76 ^%	1019.3 hPa	16.1 ^km	Calm					Overcast
2:35 AM	6 ^°C	2 ^°C	76 ^%	1019.3 hPa	16.1 ^km	Calm					Overcast
2:55 AM	6 ^°C	2 ^°C	76 ^%	1019 hPa	16.1 ^km	Calm					Overcast
3:15 AM	6 ^°C	2 ^°C	76 ^%	1018.6 hPa	16.1 ^km	Calm					Mostly Cloudy
3:35 AM	6 ^°C	2 ^°C	76 ^%	1018.3 hPa	16.1 ^km	Calm					Overcast
3:55 AM	6 ^°C	2 ^°C	76 ^%	1018.3 hPa	16.1 ^km	Calm					Overcast
4:15 AM	7 ^°C	2 ^°C	71 ^%	1017.9 hPa	16.1 ^km	Calm					Overcast
4:35 AM	6 ^°C	2 ^°C	76 ^%	1017.6 hPa	16.1 ^km	Calm					Overcast
4:55 AM	7 ^°C	2 ^°C	71 ^%	1017.3 hPa	16.1 ^km	Calm					Overcast
5:15 AM	7 ^°C	2 ^°C	71 ^%	1016.6 hPa	16.1 ^km	Calm					Overcast
5:35 AM	7 ^°C	2 ^°C	71 ^%	1016.3 hPa	16.1 ^km	Calm					Overcast
5:55 AM	7 ^°C	3 ^°C	76 ^%	1015.9 hPa	16.1 ^km	Calm					Overcast
6:15 AM	7 ^°C	2 ^°C	71 ^%	1015.9 hPa	16.1 ^km	Calm					Scattered Clouds
6:35 AM	7 ^°C	2 ^°C	71 ^%	1015.6 hPa	16.1 ^km	Calm					Mostly Cloudy
6:55 AM	7 ^°C	3 ^°C	76 ^%	1015.6 hPa	16.1 ^km	ESE (120°)	9.3 ^km/h				Mostly Cloudy
7:15 AM	9 ^°C	4 ^°C	71 ^%	1015.6 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h				Overcast
7:35 AM	11 ^°C	6 ^°C	71 ^%	1015.2 hPa	16.1 ^km	SSE (150°)	13 ^km/h				Overcast
7:55 AM	11 ^°C	6 ^°C	71 ^%	1014.9 hPa	16.1 ^km	SSE (150°)	13 ^km/h				Overcast
8:15 AM	11 ^°C	6 ^°C	71 ^%	1014.6 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h				Overcast
8:35 AM	12 ^°C	7 ^°C	72 ^%	1014.6 hPa	16.1 ^km	South (170°)	7.4 ^km/h				Mostly Cloudy
8:55 AM	13 ^°C	7 ^°C	67 ^%	1014.2 hPa	16.1 ^km	SSW (200°)	11.1 ^km/h				Mostly Cloudy
9:15 AM	14 ^°C	8 ^°C	67 ^%	1014.6 hPa	16.1 ^km	South (180°)	11.1 ^km/h				Overcast
9:35 AM	13 ^°C	8 ^°C	72 ^%	1014.2 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h				Overcast
9:55 AM	13 ^°C	9 ^°C	77 ^%	1013.9 hPa	9.7 ^km	SSE (160°)	7.4 ^km/h		0.25 mm		Overcast
10:15 AM	13 ^°C	10 ^°C	82 ^%	1013.5 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h				Overcast
10:35 AM	13 ^°C	10 ^°C	82 ^%	1013.2 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h				Overcast
10:55 AM	13 ^°C	10 ^°C	82 ^%	1012.9 hPa	8 ^km	SW (230°)	11.1 ^km/h				Overcast
11:15 AM	13 ^°C	11 ^°C	88 ^%	1012.5 hPa	4 ^km	South (180°)	9.3 ^km/h		0.25 mm		Overcast
11:35 AM	13 ^°C	11 ^°C	88 ^%	1012.2 hPa	8 ^km	South (180°)	7.4 ^km/h		0.25 mm		Overcast
11:55 AM	14 ^°C	12 ^°C	88 ^%	1011.2 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h		0.25 mm		Overcast
12:15 PM	14 ^°C	13 ^°C	94 ^%	1010.5 hPa	16.1 ^km	South (170°)	16.7 ^km/h	25.9 ^km/h			Overcast
12:35 PM	15 ^°C	13 ^°C	88 ^%	1010.2 hPa	16.1 ^km	South (190°)	14.8 ^km/h	25.9 ^km/h			Overcast
12:55 PM	16 ^°C	13 ^°C	82 ^%	1009.8 hPa	16.1 ^km	South (180°)	11.1 ^km/h				Overcast
1:35 PM	16 ^°C	13 ^°C	82 ^%	1008.5 hPa	16.1 ^km	South (180°)	14.8 ^km/h	29.6 ^km/h			Overcast
1:55 PM	18 ^°C	14 ^°C	77 ^%	1007.8 hPa	16.1 ^km	SSE (160°)	14.8 ^km/h				Overcast
2:15 PM	19 ^°C	15 ^°C	78 ^%	1006.8 hPa	16.1 ^km	South (170°)	18.5 ^km/h	27.8 ^km/h			Mostly Cloudy
2:35 PM	19 ^°C	14 ^°C	73 ^%	1006.4 hPa	16.1 ^km	South (180°)	22.2 ^km/h	35.2 ^km/h			Partly Cloudy
2:55 PM	21 ^°C	14 ^°C	64 ^%	1006.1 hPa	16.1 ^km	South (190°)	16.7 ^km/h	35.2 ^km/h			Clear
3:15 PM	21 ^°C	14 ^°C	64 ^%	1005.4 hPa	16.1 ^km	South (170°)	24.1 ^km/h	33.3 ^km/h			Clear
3:35 PM	21 ^°C	14 ^°C	64 ^%	1004.7 hPa	16.1 ^km	SSE (160°)	24.1 ^km/h	37 ^km/h			Clear
3:55 PM	22 ^°C	14 ^°C	60 ^%	1004.7 hPa	16.1 ^km	SSE (160°)	20.4 ^km/h	29.6 ^km/h			Clear
4:15 PM	22 ^°C	14 ^°C	60 ^%	1004.4 hPa	16.1 ^km	South (190°)	16.7 ^km/h	31.5 ^km/h			Clear
4:35 PM	22 ^°C	13 ^°C	57 ^%	1004.1 hPa	16.1 ^km	South (180°)	14.8 ^km/h	33.3 ^km/h			Clear
4:55 PM	23 ^°C	13 ^°C	53 ^%	1004.1 hPa	16.1 ^km	South (170°)	16.7 ^km/h	27.8 ^km/h			Clear
5:15 PM	23 ^°C	13 ^°C	53 ^%	1003.7 hPa	16.1 ^km	South (180°)	20.4 ^km/h	31.5 ^km/h			Clear
5:35 PM	23 ^°C	12 ^°C	50 ^%	1003.4 hPa	16.1 ^km	South (170°)	18.5 ^km/h	29.6 ^km/h			Partly Cloudy
5:55 PM	22 ^°C	12 ^°C	53 ^%	1003 hPa	16.1 ^km	South (190°)	14.8 ^km/h				Scattered Clouds
6:15 PM	22 ^°C	12 ^°C	53 ^%	1003 hPa	16.1 ^km	SSW (200°)	16.7 ^km/h				Scattered Clouds
6:35 PM	22 ^°C	12 ^°C	53 ^%	1003.4 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h				Mostly Cloudy
6:55 PM	22 ^°C	12 ^°C	53 ^%	1003.4 hPa	16.1 ^km	SW (230°)	7.4 ^km/h				Mostly Cloudy
7:15 PM	21 ^°C	12 ^°C	56 ^%	1004.4 hPa	16.1 ^km	West (280°)	24.1 ^km/h	35.2 ^km/h		Thunderstorm	Overcast
7:35 PM	17 ^°C	14 ^°C	82 ^%	1005.1 hPa	11.3 ^km	West (280°)	13 ^km/h	31.5 ^km/h	2.54 mm		Overcast
7:55 PM	16 ^°C	13 ^°C	82 ^%	1005.4 hPa	8 ^km	NW (320°)	16.7 ^km/h	33.3 ^km/h	4.83 mm		Mostly Cloudy
8:15 PM	14 ^°C	12 ^°C	88 ^%	1006.1 hPa	14.5 ^km	NW (310°)	9.3 ^km/h		0.25 mm		Overcast
8:35 PM	14 ^°C	12 ^°C	88 ^%	1005.8 hPa	16.1 ^km	NW (320°)	7.4 ^km/h		0.25 mm		Overcast
8:55 PM	14 ^°C	11 ^°C	82 ^%	1006.1 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h	27.8 ^km/h	0.51 mm		Overcast
9:15 PM	13 ^°C	10 ^°C	82 ^%	1006.4 hPa	16.1 ^km	NW (310°)	16.7 ^km/h	29.6 ^km/h			Overcast
9:35 PM	13 ^°C	9 ^°C	77 ^%	1007.1 hPa	16.1 ^km	NW (320°)	18.5 ^km/h	29.6 ^km/h			Overcast
9:55 PM	12 ^°C	8 ^°C	77 ^%	1007.8 hPa	16.1 ^km	NW (310°)	18.5 ^km/h	35.2 ^km/h			Overcast
10:15 PM	12 ^°C	7 ^°C	72 ^%	1007.8 hPa	16.1 ^km	NW (310°)	16.7 ^km/h	25.9 ^km/h			Overcast
10:35 PM	11 ^°C	7 ^°C	76 ^%	1008.1 hPa	16.1 ^km	NW (320°)	16.7 ^km/h	25.9 ^km/h			Mostly Cloudy
10:55 PM	10 ^°C	6 ^°C	76 ^%	1008.1 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h				Overcast
11:15 PM	9 ^°C	6 ^°C	82 ^%	1008.5 hPa	16.1 ^km	NW (320°)	14.8 ^km/h	27.8 ^km/h			Overcast
11:35 PM	9 ^°C	5 ^°C	76 ^%	1008.8 hPa	16.1 ^km	NNW (330°)	14.8 ^km/h	35.2 ^km/h			Overcast
11:55 PM	9 ^°C	4 ^°C	71 ^%	1008.8 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h				Overcast

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