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 - 22 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	16.5 ^°C	21 ^°C (12:15 am)	9 ^°C (11:35 pm)
Dewpoint	7.7 ^°C	11 ^°C (12:15 am)	6 ^°C (5:55 pm)
Humidity	56.8 ^%	82 ^% (10:55 pm)	43 ^% (4:35 pm)
Barometer	1017.3 ^hPa	1025.4 hPa (11:15 pm)	1009.5 hPa (12:15 am)
Wind Speed	14.3 ^km/h	33.3 ^km/h (9:55 am)
Wind Gust		44.4 ^km/h (10:15 am)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	WSW (232.4 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	3.3 (Base 18.3)
Growing Degree Days	5 (Base 10)

Averaged from 70 records on 22 September, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 22 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:15 AM	21 ^°C	11 ^°C	53 ^%	1009.5 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h		Mostly Cloudy
12:35 AM	20 ^°C	10 ^°C	52 ^%	1009.8 hPa	16.1 ^km	WNW (300°)	11.1 ^km/h		Scattered Clouds
12:55 AM	19 ^°C	10 ^°C	56 ^%	1009.8 hPa	16.1 ^km	West (280°)	11.1 ^km/h		Clear
1:15 AM	19 ^°C	9 ^°C	52 ^%	1010.2 hPa	16.1 ^km	WNW (290°)	14.8 ^km/h	27.8 ^km/h	Clear
1:35 AM	19 ^°C	8 ^°C	49 ^%	1010.5 hPa	16.1 ^km	West (280°)	13 ^km/h	35.2 ^km/h	Clear
1:55 AM	19 ^°C	8 ^°C	49 ^%	1010.8 hPa	16.1 ^km	WNW (290°)	16.7 ^km/h		Clear
2:15 AM	18 ^°C	8 ^°C	52 ^%	1010.8 hPa	16.1 ^km	WNW (290°)	14.8 ^km/h		Clear
2:35 AM	17 ^°C	8 ^°C	55 ^%	1011.2 hPa	16.1 ^km	WNW (290°)	11.1 ^km/h		Clear
2:55 AM	17 ^°C	8 ^°C	55 ^%	1011.2 hPa	16.1 ^km	West (280°)	16.7 ^km/h		Clear
3:15 AM	17 ^°C	8 ^°C	55 ^%	1011.2 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h		Clear
3:35 AM	17 ^°C	8 ^°C	55 ^%	1011.2 hPa	16.1 ^km	West (280°)	20.4 ^km/h	27.8 ^km/h	Clear
4:15 AM	17 ^°C	8 ^°C	55 ^%	1011.9 hPa	16.1 ^km	West (280°)	11.1 ^km/h		Clear
4:35 AM	16 ^°C	8 ^°C	59 ^%	1012.2 hPa	16.1 ^km	West (280°)	9.3 ^km/h		Clear
4:55 AM	16 ^°C	8 ^°C	59 ^%	1012.5 hPa	16.1 ^km	Calm			Clear
5:15 AM	16 ^°C	8 ^°C	59 ^%	1012.9 hPa	16.1 ^km	Calm			Clear
5:35 AM	16 ^°C	8 ^°C	59 ^%	1013.2 hPa	16.1 ^km	Calm			Partly Cloudy
5:55 AM	15 ^°C	8 ^°C	63 ^%	1013.5 hPa	16.1 ^km	WNW (290°)	14.8 ^km/h		Scattered Clouds
6:15 AM	15 ^°C	9 ^°C	67 ^%	1013.5 hPa	16.1 ^km	WNW (290°)	20.4 ^km/h		Clear
6:35 AM	15 ^°C	9 ^°C	67 ^%	1013.9 hPa	16.1 ^km	WNW (290°)	14.8 ^km/h	31.5 ^km/h	Clear
6:55 AM	15 ^°C	9 ^°C	67 ^%	1014.6 hPa	16.1 ^km	WNW (300°)	25.9 ^km/h	31.5 ^km/h	Clear
7:15 AM	15 ^°C	9 ^°C	67 ^%	1014.9 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h		Clear
7:35 AM	15 ^°C	9 ^°C	67 ^%	1015.2 hPa	16.1 ^km	WNW (300°)	29.6 ^km/h	35.2 ^km/h	Clear
7:55 AM	16 ^°C	9 ^°C	63 ^%	1015.9 hPa	16.1 ^km	NW (310°)	11.1 ^km/h		Partly Cloudy
8:15 AM	16 ^°C	9 ^°C	63 ^%	1015.9 hPa	16.1 ^km	WNW (300°)	27.8 ^km/h	35.2 ^km/h	Partly Cloudy
8:35 AM	16 ^°C	9 ^°C	63 ^%	1016.3 hPa	16.1 ^km	WNW (300°)	20.4 ^km/h	31.5 ^km/h	Clear
8:55 AM	17 ^°C	9 ^°C	59 ^%	1016.6 hPa	16.1 ^km	WNW (300°)	20.4 ^km/h	33.3 ^km/h	Clear
9:15 AM	17 ^°C	9 ^°C	59 ^%	1016.9 hPa	16.1 ^km	NW (310°)	18.5 ^km/h	35.2 ^km/h	Clear
9:35 AM	17 ^°C	9 ^°C	59 ^%	1017.3 hPa	16.1 ^km	WNW (300°)	25.9 ^km/h	40.7 ^km/h	Clear
9:55 AM	17 ^°C	8 ^°C	55 ^%	1017.3 hPa	16.1 ^km	WNW (300°)	33.3 ^km/h	42.6 ^km/h	Clear
10:15 AM	17 ^°C	8 ^°C	55 ^%	1017.6 hPa	16.1 ^km	NW (310°)	24.1 ^km/h	44.4 ^km/h	Partly Cloudy
10:35 AM	17 ^°C	8 ^°C	55 ^%	1017.9 hPa	16.1 ^km	WNW (300°)	27.8 ^km/h	38.9 ^km/h	Mostly Cloudy
10:55 AM	18 ^°C	8 ^°C	52 ^%	1017.9 hPa	16.1 ^km	WNW (300°)	27.8 ^km/h	38.9 ^km/h	Mostly Cloudy
11:15 AM	18 ^°C	8 ^°C	52 ^%	1018.3 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h	37 ^km/h	Overcast
11:35 AM	18 ^°C	8 ^°C	52 ^%	1018.3 hPa	16.1 ^km	NW (310°)	16.7 ^km/h	33.3 ^km/h	Scattered Clouds
11:55 AM	19 ^°C	8 ^°C	49 ^%	1018.3 hPa	16.1 ^km	WNW (300°)	27.8 ^km/h	37 ^km/h	Scattered Clouds
12:15 PM	19 ^°C	8 ^°C	49 ^%	1018.3 hPa	16.1 ^km	West (280°)	22.2 ^km/h	42.6 ^km/h	Partly Cloudy
12:35 PM	19 ^°C	8 ^°C	49 ^%	1018.3 hPa	16.1 ^km	NW (310°)	24.1 ^km/h	37 ^km/h	Partly Cloudy
12:55 PM	19 ^°C	9 ^°C	52 ^%	1018.3 hPa	16.1 ^km	WNW (300°)	27.8 ^km/h	40.7 ^km/h	Partly Cloudy
1:15 PM	19 ^°C	8 ^°C	49 ^%	1018.6 hPa	16.1 ^km	WNW (300°)	14.8 ^km/h	40.7 ^km/h	Partly Cloudy
1:35 PM	19 ^°C	8 ^°C	49 ^%	1018.3 hPa	16.1 ^km	NW (310°)	24.1 ^km/h	38.9 ^km/h	Scattered Clouds
1:55 PM	19 ^°C	8 ^°C	49 ^%	1018.3 hPa	16.1 ^km	WNW (290°)	27.8 ^km/h	37 ^km/h	Scattered Clouds
2:15 PM	19 ^°C	8 ^°C	49 ^%	1018.6 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h	35.2 ^km/h	Partly Cloudy
2:35 PM	20 ^°C	8 ^°C	46 ^%	1018.3 hPa	16.1 ^km	WNW (300°)	22.2 ^km/h	31.5 ^km/h	Partly Cloudy
2:55 PM	20 ^°C	8 ^°C	46 ^%	1018.3 hPa	16.1 ^km	WNW (290°)	29.6 ^km/h	37 ^km/h	Partly Cloudy
3:15 PM	19 ^°C	8 ^°C	49 ^%	1018.6 hPa	16.1 ^km	NNW (340°)	13 ^km/h	35.2 ^km/h	Partly Cloudy
3:35 PM	19 ^°C	7 ^°C	46 ^%	1018.6 hPa	16.1 ^km	WNW (290°)	25.9 ^km/h	38.9 ^km/h	Partly Cloudy
3:55 PM	19 ^°C	7 ^°C	46 ^%	1018.6 hPa	16.1 ^km	WNW (300°)	22.2 ^km/h	38.9 ^km/h	Clear
4:15 PM	19 ^°C	7 ^°C	46 ^%	1019 hPa	16.1 ^km	NW (320°)	16.7 ^km/h	37 ^km/h	Partly Cloudy
4:35 PM	20 ^°C	7 ^°C	43 ^%	1019.3 hPa	16.1 ^km	NW (310°)	22.2 ^km/h	33.3 ^km/h	Partly Cloudy
4:55 PM	19 ^°C	7 ^°C	46 ^%	1019.3 hPa	16.1 ^km	NNW (340°)	11.1 ^km/h		Clear
5:15 PM	19 ^°C	7 ^°C	46 ^%	1019.3 hPa	16.1 ^km	NNW (340°)	7.4 ^km/h	31.5 ^km/h	Clear
5:35 PM	18 ^°C	7 ^°C	49 ^%	1019.6 hPa	16.1 ^km	NW (310°)	14.8 ^km/h		Clear
5:55 PM	18 ^°C	6 ^°C	45 ^%	1020 hPa	16.1 ^km	NW (320°)	11.1 ^km/h		Clear
6:15 PM	17 ^°C	6 ^°C	48 ^%	1020.3 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h		Clear
6:35 PM	16 ^°C	6 ^°C	52 ^%	1020.7 hPa	16.1 ^km	NW (320°)	9.3 ^km/h		Clear
6:55 PM	16 ^°C	6 ^°C	52 ^%	1020.3 hPa	16.1 ^km	NW (320°)	9.3 ^km/h		Clear
7:15 PM	15 ^°C	6 ^°C	55 ^%	1021 hPa	16.1 ^km	Calm			Clear
7:35 PM	14 ^°C	6 ^°C	59 ^%	1021.7 hPa	16.1 ^km	Calm			Clear
7:55 PM	14 ^°C	6 ^°C	59 ^%	1021.7 hPa	16.1 ^km	Calm			Clear
8:15 PM	14 ^°C	6 ^°C	59 ^%	1022.4 hPa	16.1 ^km	Calm			Clear
8:35 PM	13 ^°C	6 ^°C	63 ^%	1022.7 hPa	16.1 ^km	Calm			Clear
8:55 PM	12 ^°C	6 ^°C	67 ^%	1023.4 hPa	16.1 ^km	Calm			Clear
9:15 PM	12 ^°C	6 ^°C	67 ^%	1023.4 hPa	16.1 ^km	Calm			Clear
9:35 PM	12 ^°C	6 ^°C	67 ^%	1023.7 hPa	16.1 ^km	Calm			Clear
9:55 PM	11 ^°C	6 ^°C	71 ^%	1024 hPa	16.1 ^km	Calm			Clear
10:15 PM	11 ^°C	6 ^°C	71 ^%	1024.7 hPa	16.1 ^km	Calm			Clear
10:55 PM	10 ^°C	7 ^°C	82 ^%	1025.1 hPa	16.1 ^km	Calm			Clear
11:15 PM	10 ^°C	6 ^°C	76 ^%	1025.4 hPa	16.1 ^km	Calm			Clear
11:35 PM	9 ^°C	6 ^°C	82 ^%	1025.4 hPa	16.1 ^km	Calm			Clear
11:55 PM	9 ^°C	6 ^°C	82 ^%	1025.1 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		Clear

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