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 - 23 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	12.7 ^°C	19 ^°C (1:55 pm)	6 ^°C (4:35 am)
Dewpoint	6.6 ^°C	10 ^°C (7:15 pm)	4 ^°C (3:35 am)
Humidity	68.9 ^%	94 ^% (11:15 pm)	43 ^% (2:15 pm)
Barometer	1028.1 ^hPa	1030.5 hPa (11:55 pm)	1025.4 hPa (12:15 am)
Wind Speed	2.3 ^km/h	16.7 ^km/h (8:15 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	NNE (34.2 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	5.8 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Averaged from 72 records on 23 September, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 23 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:15 AM	9 ^°C	6 ^°C	82 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
12:35 AM	10 ^°C	6 ^°C	76 ^%	1025.4 hPa	16.1 ^km	NW (310°)	7.4 ^km/h	Clear
12:55 AM	10 ^°C	6 ^°C	76 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
1:15 AM	9 ^°C	6 ^°C	82 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
1:35 AM	8 ^°C	6 ^°C	87 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
1:55 AM	8 ^°C	5 ^°C	81 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
2:15 AM	8 ^°C	6 ^°C	87 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
2:35 AM	7 ^°C	5 ^°C	87 ^%	1025.4 hPa	16.1 ^km	Calm		Clear
2:55 AM	8 ^°C	5 ^°C	81 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
3:15 AM	7 ^°C	5 ^°C	87 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
3:35 AM	7 ^°C	4 ^°C	81 ^%	1025.7 hPa	16.1 ^km	Calm		Clear
3:55 AM	7 ^°C	4 ^°C	81 ^%	1026.1 hPa	16.1 ^km	Calm		Clear
4:15 AM	7 ^°C	4 ^°C	81 ^%	1026.4 hPa	16.1 ^km	Calm		Clear
4:35 AM	6 ^°C	4 ^°C	87 ^%	1026.4 hPa	16.1 ^km	Calm		Clear
4:55 AM	7 ^°C	4 ^°C	81 ^%	1026.8 hPa	16.1 ^km	Calm		Clear
5:15 AM	6 ^°C	4 ^°C	87 ^%	1026.8 hPa	16.1 ^km	Calm		Clear
5:35 AM	6 ^°C	4 ^°C	87 ^%	1026.8 hPa	16.1 ^km	Calm		Clear
5:55 AM	7 ^°C	4 ^°C	81 ^%	1027.1 hPa	16.1 ^km	Calm		Clear
6:15 AM	6 ^°C	4 ^°C	87 ^%	1027.4 hPa	16.1 ^km	Calm		Clear
6:35 AM	6 ^°C	4 ^°C	87 ^%	1027.4 hPa	16.1 ^km	Calm		Clear
6:55 AM	7 ^°C	4 ^°C	81 ^%	1027.8 hPa	16.1 ^km	Calm		Clear
7:15 AM	7 ^°C	4 ^°C	81 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
7:35 AM	7 ^°C	4 ^°C	81 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
7:55 AM	7 ^°C	5 ^°C	87 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
8:15 AM	9 ^°C	6 ^°C	82 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
8:35 AM	11 ^°C	7 ^°C	76 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
8:55 AM	12 ^°C	7 ^°C	72 ^%	1029.1 hPa	16.1 ^km	North (10°)	7.4 ^km/h	Clear
9:15 AM	13 ^°C	7 ^°C	67 ^%	1029.1 hPa	16.1 ^km	NNE (30°)	7.4 ^km/h	Clear
9:35 AM	13 ^°C	7 ^°C	67 ^%	1029.1 hPa	16.1 ^km	NNE (30°)	11.1 ^km/h	Clear
9:55 AM	14 ^°C	7 ^°C	63 ^%	1029.1 hPa	16.1 ^km	NE (50°)	9.3 ^km/h	Clear
10:15 AM	14 ^°C	6 ^°C	59 ^%	1029.5 hPa	16.1 ^km	Calm		Clear
10:35 AM	15 ^°C	7 ^°C	59 ^%	1029.5 hPa	16.1 ^km	NE (50°)	7.4 ^km/h	Clear
10:55 AM	16 ^°C	7 ^°C	55 ^%	1029.1 hPa	16.1 ^km	North (360°)	7.4 ^km/h	Clear
11:15 AM	16 ^°C	7 ^°C	55 ^%	1029.5 hPa	16.1 ^km	Calm		Clear
11:35 AM	17 ^°C	7 ^°C	52 ^%	1029.5 hPa	16.1 ^km	SE (130°)	11.1 ^km/h	Clear
11:55 AM	17 ^°C	7 ^°C	52 ^%	1029.5 hPa	16.1 ^km	NE (40°)	7.4 ^km/h	Clear
12:15 PM	17 ^°C	7 ^°C	52 ^%	1029.8 hPa	16.1 ^km	Calm		Clear
12:35 PM	18 ^°C	6 ^°C	45 ^%	1029.5 hPa	16.1 ^km	NE (40°)	7.4 ^km/h	Clear
12:55 PM	18 ^°C	6 ^°C	45 ^%	1029.5 hPa	16.1 ^km	Calm		Clear
1:15 PM	18 ^°C	6 ^°C	45 ^%	1029.5 hPa	16.1 ^km	Calm		Clear
1:35 PM	18 ^°C	6 ^°C	45 ^%	1029.1 hPa	16.1 ^km	SW (220°)	5.6 ^km/h	Clear
1:55 PM	19 ^°C	7 ^°C	46 ^%	1028.8 hPa	16.1 ^km	NE (40°)	5.6 ^km/h	Clear
2:15 PM	19 ^°C	6 ^°C	43 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
2:35 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	WNW (300°)	13 ^km/h	Clear
2:55 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	WNW (300°)	13 ^km/h	Clear
3:15 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
3:35 PM	19 ^°C	6 ^°C	43 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
3:55 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
4:15 PM	19 ^°C	7 ^°C	46 ^%	1027.8 hPa	16.1 ^km	East (100°)	5.6 ^km/h	Clear
4:35 PM	19 ^°C	7 ^°C	46 ^%	1027.8 hPa	16.1 ^km	East (100°)	7.4 ^km/h	Clear
4:55 PM	19 ^°C	7 ^°C	46 ^%	1027.8 hPa	16.1 ^km	Calm		Clear
5:15 PM	18 ^°C	7 ^°C	49 ^%	1027.8 hPa	16.1 ^km	NE (40°)	5.6 ^km/h	Clear
5:35 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	East (90°)	5.6 ^km/h	Clear
5:55 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
6:15 PM	19 ^°C	7 ^°C	46 ^%	1028.1 hPa	16.1 ^km	East (80°)	5.6 ^km/h	Clear
6:35 PM	18 ^°C	7 ^°C	49 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
6:55 PM	17 ^°C	7 ^°C	52 ^%	1028.4 hPa	16.1 ^km	Calm		Clear
7:15 PM	15 ^°C	10 ^°C	72 ^%	1028.8 hPa	16.1 ^km	Calm		Clear
7:35 PM	13 ^°C	9 ^°C	77 ^%	1028.8 hPa	16.1 ^km	Calm		Clear
7:55 PM	13 ^°C	9 ^°C	77 ^%	1028.8 hPa	16.1 ^km	Calm		Clear
8:15 PM	13 ^°C	9 ^°C	77 ^%	1029.1 hPa	16.1 ^km	SE (140°)	16.7 ^km/h	Clear
8:35 PM	14 ^°C	9 ^°C	72 ^%	1029.1 hPa	16.1 ^km	Calm		Clear
8:55 PM	13 ^°C	9 ^°C	77 ^%	1029.5 hPa	16.1 ^km	Calm		Clear
9:15 PM	13 ^°C	9 ^°C	77 ^%	1029.8 hPa	16.1 ^km	Calm		Clear
9:35 PM	12 ^°C	9 ^°C	82 ^%	1029.8 hPa	16.1 ^km	Calm		Clear
9:55 PM	12 ^°C	9 ^°C	82 ^%	1029.8 hPa	16.1 ^km	Calm		Clear
10:15 PM	11 ^°C	9 ^°C	88 ^%	1030.1 hPa	16.1 ^km	Calm		Clear
10:35 PM	11 ^°C	9 ^°C	88 ^%	1029.8 hPa	16.1 ^km	Calm		Clear
10:55 PM	11 ^°C	9 ^°C	88 ^%	1030.1 hPa	16.1 ^km	Calm		Clear
11:15 PM	10 ^°C	9 ^°C	94 ^%	1030.1 hPa	16.1 ^km	Calm		Clear
11:35 PM	10 ^°C	9 ^°C	94 ^%	1030.1 hPa	16.1 ^km	Calm		Clear
11:55 PM	10 ^°C	8 ^°C	87 ^%	1030.5 hPa	16.1 ^km	Calm		Clear

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