POTOMAC, MARYLAND

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Elevation: 27 feet 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 - SEPTEMBER 21, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	69 ^°F	82.4 ^°F (2:15 pm)	55.4 ^°F (5:15 am)
Dewpoint	59.3 ^°F	64.4 ^°F (12:55 pm)	51.8 ^°F (11:55 pm)
Humidity	74 ^%	100 ^% (12:35 am)	48 ^% (4:55 pm)
Barometer	29.85 ⁱⁿ	30.09 ⁱⁿ (12:35 am)	29.69 ⁱⁿ (4:55 pm)
Wind Speed	4.1 ^mph	16.1 ^mph (11:55 pm)
Wind Gust		21.9 ^mph (11:55 pm)

Weather Element	Average
Visibility	9 ^mi
Wind Direction	ESE (106.9 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	3.9 (Base 65)
Growing Degree Days	18.9 (Base 50)

Averaged from 67 records on September 21, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - SEPTEMBER 21, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:35 AM	57.2 ^°F	57.2 ^°F	100 ^%	30.09 ⁱⁿ	10.0 ^mi	Calm			Clear
1:15 AM	59.0 ^°F	57.2 ^°F	94 ^%	30.07 ⁱⁿ	10.0 ^mi	Calm			Clear
1:35 AM	57.2 ^°F	55.4 ^°F	94 ^%	30.06 ⁱⁿ	8.0 ^mi	Calm			Clear
1:55 AM	57.2 ^°F	55.4 ^°F	94 ^%	30.04 ⁱⁿ	8.0 ^mi	Calm			Clear
2:15 AM	57.2 ^°F	55.4 ^°F	94 ^%	30.03 ⁱⁿ	8.0 ^mi	Calm			Clear
2:35 AM	57.2 ^°F	55.4 ^°F	94 ^%	30.01 ⁱⁿ	8.0 ^mi	Calm			Clear
2:55 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.99 ⁱⁿ	7.0 ^mi	Calm			Clear
3:15 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm			Clear
3:35 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm			Clear
3:55 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.97 ⁱⁿ	10.0 ^mi	ESE (120°)	3.5 ^mph		Clear
4:15 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm			Clear
4:35 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.96 ⁱⁿ	7.0 ^mi	Calm			Clear
4:55 AM	57.2 ^°F	55.4 ^°F	94 ^%	29.97 ⁱⁿ	3.0 ^mi	Calm			Clear
5:15 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.96 ⁱⁿ	5.0 ^mi	Calm			Clear
5:35 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.94 ⁱⁿ	9.0 ^mi	Calm			Clear
5:55 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.94 ⁱⁿ	4.0 ^mi	Calm			Clear
6:15 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.94 ⁱⁿ	2.5 ^mi	Calm			Clear
6:35 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.95 ⁱⁿ	7.0 ^mi	Calm			Clear
6:55 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.95 ⁱⁿ	5.0 ^mi	Calm			Clear
7:15 AM	55.4 ^°F	53.6 ^°F	94 ^%	29.95 ⁱⁿ	6.0 ^mi	Calm			Clear
7:35 AM	55.4 ^°F	55.4 ^°F	100 ^%	29.94 ⁱⁿ	5.0 ^mi	Calm			Clear
7:55 AM	57.2 ^°F	57.2 ^°F	100 ^%	29.93 ⁱⁿ	5.0 ^mi	Calm			Clear
8:15 AM	59.0 ^°F	57.2 ^°F	94 ^%	29.93 ⁱⁿ	8.0 ^mi	ESE (110°)	3.5 ^mph		Clear
8:35 AM	60.8 ^°F	57.2 ^°F	88 ^%	29.93 ⁱⁿ	9.0 ^mi	ESE (110°)	3.5 ^mph		Clear
8:55 AM	60.8 ^°F	59.0 ^°F	94 ^%	29.92 ⁱⁿ	10.0 ^mi	Calm			Clear
9:15 AM	62.6 ^°F	60.8 ^°F	94 ^%	29.92 ⁱⁿ	10.0 ^mi	Calm			Clear
9:35 AM	64.4 ^°F	62.6 ^°F	94 ^%	29.92 ⁱⁿ	10.0 ^mi	Calm			Clear
9:55 AM	66.2 ^°F	62.6 ^°F	88 ^%	29.91 ⁱⁿ	10.0 ^mi	Calm			Clear
10:15 AM	68.0 ^°F	62.6 ^°F	83 ^%	29.91 ⁱⁿ	10.0 ^mi	Calm			Clear
10:35 AM	69.8 ^°F	62.6 ^°F	78 ^%	29.91 ⁱⁿ	10.0 ^mi	Calm			Clear
11:15 AM	71.6 ^°F	60.8 ^°F	69 ^%	29.89 ⁱⁿ	10.0 ^mi	South (180°)	3.5 ^mph		Clear
11:35 AM	73.4 ^°F	60.8 ^°F	65 ^%	29.88 ⁱⁿ	10.0 ^mi	SE (130°)	4.6 ^mph		Clear
11:55 AM	75.2 ^°F	62.6 ^°F	65 ^%	29.86 ⁱⁿ	10.0 ^mi	South (170°)	6.9 ^mph		Clear
12:15 PM	77.0 ^°F	60.8 ^°F	57 ^%	29.85 ⁱⁿ	10.0 ^mi	SE (130°)	8.1 ^mph		Clear
12:35 PM	77.0 ^°F	62.6 ^°F	61 ^%	29.84 ⁱⁿ	10.0 ^mi	ESE (110°)	4.6 ^mph		Clear
12:55 PM	78.8 ^°F	64.4 ^°F	61 ^%	29.82 ⁱⁿ	10.0 ^mi	SSE (150°)	6.9 ^mph		Clear
1:15 PM	78.8 ^°F	62.6 ^°F	57 ^%	29.80 ⁱⁿ	10.0 ^mi	SE (130°)	6.9 ^mph		Clear
1:35 PM	78.8 ^°F	62.6 ^°F	57 ^%	29.80 ⁱⁿ	10.0 ^mi	ESE (120°)	4.6 ^mph		Clear
1:55 PM	80.6 ^°F	64.4 ^°F	58 ^%	29.78 ⁱⁿ	10.0 ^mi	SE (140°)	5.8 ^mph		Clear
2:15 PM	82.4 ^°F	64.4 ^°F	54 ^%	29.77 ⁱⁿ	10.0 ^mi	South (180°)	4.6 ^mph		Clear
2:35 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.75 ⁱⁿ	10.0 ^mi	Calm			Clear
2:55 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.74 ⁱⁿ	10.0 ^mi	SSW (200°)	5.8 ^mph		Clear
3:15 PM	82.4 ^°F	64.4 ^°F	54 ^%	29.73 ⁱⁿ	10.0 ^mi	SE (140°)	5.8 ^mph		Clear
3:35 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.72 ⁱⁿ	10.0 ^mi	South (180°)	6.9 ^mph		Clear
3:55 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.71 ⁱⁿ	10.0 ^mi	South (170°)	4.6 ^mph		Clear
4:15 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.70 ⁱⁿ	10.0 ^mi	SSE (160°)	10.4 ^mph		Clear
4:35 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.70 ⁱⁿ	10.0 ^mi	South (180°)	4.6 ^mph		Clear
4:55 PM	82.4 ^°F	60.8 ^°F	48 ^%	29.69 ⁱⁿ	10.0 ^mi	SSE (150°)	9.2 ^mph		Clear
5:15 PM	82.4 ^°F	60.8 ^°F	48 ^%	29.69 ⁱⁿ	10.0 ^mi	South (170°)	9.2 ^mph		Clear
5:35 PM	82.4 ^°F	62.6 ^°F	51 ^%	29.69 ⁱⁿ	10.0 ^mi	South (170°)	8.1 ^mph		Clear
5:55 PM	80.6 ^°F	62.6 ^°F	54 ^%	29.69 ⁱⁿ	10.0 ^mi	South (190°)	6.9 ^mph		Clear
6:15 PM	80.6 ^°F	62.6 ^°F	54 ^%	29.69 ⁱⁿ	10.0 ^mi	South (190°)	5.8 ^mph		Partly Cloudy
6:55 PM	78.8 ^°F	62.6 ^°F	57 ^%	29.70 ⁱⁿ	10.0 ^mi	South (190°)	8.1 ^mph		Mostly Cloudy
7:15 PM	78.8 ^°F	62.6 ^°F	57 ^%	29.70 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy
7:35 PM	75.2 ^°F	62.6 ^°F	65 ^%	29.70 ⁱⁿ	10.0 ^mi	Calm			Scattered Clouds
7:55 PM	71.6 ^°F	64.4 ^°F	78 ^%	29.71 ⁱⁿ	10.0 ^mi	South (180°)	3.5 ^mph		Scattered Clouds
8:15 PM	75.2 ^°F	62.6 ^°F	65 ^%	29.71 ⁱⁿ	10.0 ^mi	SW (220°)	4.6 ^mph		Clear
8:55 PM	73.4 ^°F	64.4 ^°F	73 ^%	29.73 ⁱⁿ	10.0 ^mi	West (270°)	9.2 ^mph		Mostly Cloudy
9:15 PM	75.2 ^°F	60.8 ^°F	61 ^%	29.74 ⁱⁿ	10.0 ^mi	West (280°)	11.5 ^mph	19.6 ^mph	Overcast
9:35 PM	75.2 ^°F	57.2 ^°F	53 ^%	29.73 ⁱⁿ	10.0 ^mi	WNW (290°)	13.8 ^mph	19.6 ^mph	Overcast
9:55 PM	71.6 ^°F	60.8 ^°F	69 ^%	29.74 ⁱⁿ	10.0 ^mi	WNW (290°)	8.1 ^mph		Overcast
10:15 PM	73.4 ^°F	60.8 ^°F	65 ^%	29.75 ⁱⁿ	10.0 ^mi	WNW (290°)	9.2 ^mph		Overcast
10:35 PM	71.6 ^°F	59.0 ^°F	64 ^%	29.76 ⁱⁿ	10.0 ^mi	WNW (290°)	10.4 ^mph		Overcast
10:55 PM	71.6 ^°F	59.0 ^°F	64 ^%	29.77 ⁱⁿ	10.0 ^mi	WNW (290°)	11.5 ^mph		Mostly Cloudy
11:15 PM	71.6 ^°F	57.2 ^°F	60 ^%	29.78 ⁱⁿ	10.0 ^mi	WNW (290°)	12.7 ^mph	19.6 ^mph	Mostly Cloudy
11:35 PM	71.6 ^°F	55.4 ^°F	57 ^%	29.78 ⁱⁿ	10.0 ^mi	WNW (300°)	9.2 ^mph	18.4 ^mph	Scattered Clouds
11:55 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.80 ⁱⁿ	10.0 ^mi	WNW (300°)	16.1 ^mph	21.9 ^mph	Scattered Clouds

Hourly data recorded from KGAI, located miles away from Potomac, Maryland