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 - 4 AUGUST, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	24.6 ^°C	32 ^°C (2:55 pm)	18 ^°C (5:15 am)
Dewpoint	18.6 ^°C	21 ^°C (10:35 am)	16 ^°C (12:15 am)
Humidity	71.3 ^%	94 ^% (5:55 am)	46 ^% (2:55 pm)
Barometer	1014.2 ^hPa	1015.6 hPa (10:35 am)	1011.9 hPa (2:35 am)
Wind Speed	5.1 ^km/h	20.4 ^km/h (4:55 am)
Wind Gust		44.4 ^km/h (4:55 am)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	ESE (125.7 °)

Weather Element	Total
Precipitation	10.67 ^mm
Cooling Degree Days	6.7 (Base 18.3)
Growing Degree Days	15 (Base 10)

Averaged from 72 records on 4 August, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 4 AUGUST, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:15 AM	26 ^°C	16 ^°C	54 ^%	1012.2 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h				Clear
12:35 AM	26 ^°C	16 ^°C	54 ^%	1012.2 hPa	16.1 ^km	WSW (250°)	5.6 ^km/h				Clear
12:55 AM	24 ^°C	16 ^°C	61 ^%	1012.2 hPa	16.1 ^km	Calm					Clear
1:15 AM	24 ^°C	16 ^°C	61 ^%	1012.2 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h				Clear
1:35 AM	25 ^°C	16 ^°C	57 ^%	1012.2 hPa	16.1 ^km	Calm					Clear
1:55 AM	24 ^°C	16 ^°C	61 ^%	1012.2 hPa	16.1 ^km	Calm					Clear
2:15 AM	24 ^°C	16 ^°C	61 ^%	1012.2 hPa	16.1 ^km	Calm					Clear
2:35 AM	22 ^°C	16 ^°C	69 ^%	1011.9 hPa	16.1 ^km	Calm					Clear
2:55 AM	22 ^°C	16 ^°C	69 ^%	1012.2 hPa	16.1 ^km	Calm					Clear
3:15 AM	21 ^°C	17 ^°C	78 ^%	1012.5 hPa	16.1 ^km	Calm					Clear
3:35 AM	22 ^°C	17 ^°C	73 ^%	1012.9 hPa	16.1 ^km	SE (130°)	5.6 ^km/h				Clear
3:55 AM	21 ^°C	17 ^°C	78 ^%	1012.5 hPa	16.1 ^km	Calm					Clear
4:15 AM	21 ^°C	17 ^°C	78 ^%	1012.9 hPa	16.1 ^km	Calm					Clear
4:35 AM	22 ^°C	17 ^°C	73 ^%	1013.9 hPa	16.1 ^km	SW (230°)	5.6 ^km/h			Thunderstorm	Clear
4:55 AM	19 ^°C	16 ^°C	83 ^%	1014.9 hPa	6.4 ^km	NW (310°)	20.4 ^km/h	44.4 ^km/h	6.1 mm	Thunderstorm	Thunderstorm
5:15 AM	18 ^°C	16 ^°C	88 ^%	1013.9 hPa	16.1 ^km	Calm			0.51 mm	Thunderstorm	Thunderstorm
5:35 AM	18 ^°C	16 ^°C	88 ^%	1013.5 hPa	16.1 ^km	East (90°)	5.6 ^km/h		0.51 mm		Clear
5:55 AM	18 ^°C	17 ^°C	94 ^%	1013.9 hPa	16.1 ^km	SE (140°)	11.1 ^km/h		0.51 mm		Clear
6:15 AM	18 ^°C	16 ^°C	88 ^%	1014.2 hPa	16.1 ^km	Calm					Clear
6:35 AM	18 ^°C	16 ^°C	88 ^%	1014.6 hPa	8 ^km	Calm					Clear
6:55 AM	18 ^°C	17 ^°C	94 ^%	1014.6 hPa	16.1 ^km	Calm					Clear
7:15 AM	19 ^°C	17 ^°C	88 ^%	1014.9 hPa	16.1 ^km	Calm					Clear
7:35 AM	19 ^°C	18 ^°C	94 ^%	1014.9 hPa	16.1 ^km	Calm					Clear
7:55 AM	20 ^°C	18 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm					Clear
8:15 AM	21 ^°C	18 ^°C	83 ^%	1014.9 hPa	16.1 ^km	Calm					Clear
8:35 AM	22 ^°C	19 ^°C	83 ^%	1015.2 hPa	16.1 ^km	SW (230°)	5.6 ^km/h				Clear
8:55 AM	23 ^°C	18 ^°C	73 ^%	1015.2 hPa	16.1 ^km	Calm					Clear
9:15 AM	23 ^°C	19 ^°C	78 ^%	1014.9 hPa	16.1 ^km	WSW (250°)	5.6 ^km/h				Clear
9:35 AM	24 ^°C	19 ^°C	73 ^%	1015.2 hPa	16.1 ^km	West (280°)	11.1 ^km/h				Clear
9:55 AM	25 ^°C	19 ^°C	69 ^%	1015.2 hPa	16.1 ^km	West (270°)	9.3 ^km/h				Clear
10:15 AM	26 ^°C	20 ^°C	69 ^%	1015.2 hPa	16.1 ^km	West (280°)	13 ^km/h				Clear
10:35 AM	26 ^°C	21 ^°C	74 ^%	1015.6 hPa	16.1 ^km	West (260°)	7.4 ^km/h				Clear
10:55 AM	27 ^°C	21 ^°C	70 ^%	1015.2 hPa	16.1 ^km	WNW (300°)	11.1 ^km/h				Clear
11:15 AM	27 ^°C	21 ^°C	70 ^%	1015.6 hPa	16.1 ^km	West (270°)	11.1 ^km/h				Clear
11:35 AM	28 ^°C	21 ^°C	66 ^%	1015.2 hPa	16.1 ^km	West (280°)	13 ^km/h				Clear
11:55 AM	28 ^°C	21 ^°C	66 ^%	1015.2 hPa	16.1 ^km	WNW (290°)	13 ^km/h				Partly Cloudy
12:15 PM	29 ^°C	21 ^°C	62 ^%	1015.2 hPa	16.1 ^km	West (270°)	11.1 ^km/h	25.9 ^km/h			Partly Cloudy
12:35 PM	29 ^°C	21 ^°C	62 ^%	1015.2 hPa	16.1 ^km	West (280°)	14.8 ^km/h				Scattered Clouds
12:55 PM	29 ^°C	19 ^°C	55 ^%	1015.2 hPa	16.1 ^km	WNW (290°)	14.8 ^km/h				Partly Cloudy
1:15 PM	30 ^°C	19 ^°C	51 ^%	1014.9 hPa	16.1 ^km	West (260°)	11.1 ^km/h				Clear
1:35 PM	31 ^°C	19 ^°C	49 ^%	1014.9 hPa	12.9 ^km	West (270°)	13 ^km/h				Partly Cloudy
1:55 PM	31 ^°C	19 ^°C	49 ^%	1014.9 hPa	12.9 ^km	West (270°)	11.1 ^km/h				Partly Cloudy
2:15 PM	31 ^°C	20 ^°C	52 ^%	1014.6 hPa	4 ^km	WNW (290°)	11.1 ^km/h				Scattered Clouds
2:35 PM	31 ^°C	19 ^°C	49 ^%	1014.2 hPa	16.1 ^km	West (280°)	13 ^km/h				Scattered Clouds
2:55 PM	32 ^°C	19 ^°C	46 ^%	1014.2 hPa	16.1 ^km	West (280°)	11.1 ^km/h				Scattered Clouds
3:15 PM	32 ^°C	19 ^°C	46 ^%	1013.9 hPa	8 ^km	West (270°)	11.1 ^km/h				Partly Cloudy
3:35 PM	31 ^°C	19 ^°C	49 ^%	1013.9 hPa	16.1 ^km	SW (220°)	7.4 ^km/h				Scattered Clouds
3:55 PM	31 ^°C	18 ^°C	46 ^%	1013.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h				Mostly Cloudy
4:15 PM	31 ^°C	20 ^°C	52 ^%	1013.5 hPa	16.1 ^km	WNW (300°)	7.4 ^km/h				Mostly Cloudy
4:35 PM	31 ^°C	20 ^°C	52 ^%	1013.5 hPa	16.1 ^km	NW (310°)	11.1 ^km/h				Scattered Clouds
4:55 PM	31 ^°C	20 ^°C	52 ^%	1013.5 hPa	16.1 ^km	NW (310°)	5.6 ^km/h				Mostly Cloudy
5:15 PM	31 ^°C	20 ^°C	52 ^%	1013.2 hPa	16.1 ^km	NNE (30°)	7.4 ^km/h				Mostly Cloudy
5:35 PM	29 ^°C	20 ^°C	58 ^%	1013.2 hPa	16.1 ^km	North (10°)	5.6 ^km/h				Partly Cloudy
5:55 PM	29 ^°C	20 ^°C	58 ^%	1013.2 hPa	16.1 ^km	Calm				Thunderstorm	Thunderstorm
6:15 PM	28 ^°C	19 ^°C	58 ^%	1013.5 hPa	16.1 ^km	South (170°)	13 ^km/h			Thunderstorm	Overcast
6:35 PM	26 ^°C	19 ^°C	65 ^%	1014.2 hPa	12.9 ^km	SW (230°)	11.1 ^km/h		0.51 mm		Overcast
6:55 PM	23 ^°C	20 ^°C	83 ^%	1014.2 hPa	16.1 ^km	ESE (120°)	11.1 ^km/h		2.54 mm	Thunderstorm	Mostly Cloudy
7:15 PM	23 ^°C	20 ^°C	83 ^%	1014.2 hPa	14.5 ^km	Calm					Scattered Clouds
7:35 PM	23 ^°C	20 ^°C	83 ^%	1014.2 hPa	8 ^km	Calm					Partly Cloudy
7:55 PM	23 ^°C	21 ^°C	88 ^%	1014.2 hPa	12.9 ^km	Calm					Mostly Cloudy
8:15 PM	23 ^°C	21 ^°C	88 ^%	1014.2 hPa	16.1 ^km	Calm					Scattered Clouds
8:35 PM	23 ^°C	21 ^°C	88 ^%	1014.6 hPa	12.9 ^km	Calm					Mostly Cloudy
8:55 PM	23 ^°C	20 ^°C	83 ^%	1014.2 hPa	8 ^km	Calm					Scattered Clouds
9:15 PM	22 ^°C	20 ^°C	88 ^%	1014.6 hPa	16.1 ^km	Calm					Clear
9:35 PM	22 ^°C	20 ^°C	88 ^%	1014.6 hPa	12.9 ^km	Calm					Clear
9:55 PM	22 ^°C	19 ^°C	83 ^%	1014.9 hPa	8 ^km	Calm					Clear
10:15 PM	21 ^°C	19 ^°C	88 ^%	1014.9 hPa	4.8 ^km	Calm					Clear
10:35 PM	21 ^°C	19 ^°C	88 ^%	1014.9 hPa	4 ^km	Calm					Clear
10:55 PM	21 ^°C	19 ^°C	88 ^%	1015.2 hPa	8 ^km	Calm					Clear
11:15 PM	22 ^°C	19 ^°C	83 ^%	1015.2 hPa	6.4 ^km	Calm					Clear
11:35 PM	21 ^°C	19 ^°C	88 ^%	1015.2 hPa	9.7 ^km	Calm					Clear
11:55 PM	21 ^°C	19 ^°C	88 ^%	1015.2 hPa	8 ^km	Calm					Clear

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