MCDONALD OBSERVATORY, TEXAS

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Elevation: 1756 meters Latitude: 30 32N Longitude: 104 08W

WEATHER

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Number of Records: 490,191; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 19 DECEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	4 ^°C	12 ^°C (12:15 pm)	-3 ^°C (5:55 am)
Dewpoint	-3.6 ^°C	0 ^°C (9:35 am)	-8 ^°C (11:35 pm)
Humidity	61.6 ^%	93 ^% (5:55 am)	33 ^% (3:15 pm)
Barometer	1021.7 ^hPa	1023.7 hPa (10:35 am)	1020.3 hPa (2:35 am)
Wind Speed	12.9 ^km/h	27.8 ^km/h (2:15 pm)
Wind Gust		42.6 ^km/h (12:15 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	WSW (248.8 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	13.8 (Base 18.3)

Averaged from 72 records on 19 December, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 19 DECEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:15 AM	2 ^°C	-3 ^°C	70 ^%	1021 hPa	16.1 ^km	NNW (340°)	14.8 ^km/h		Partly Cloudy
12:35 AM	2 ^°C	-3 ^°C	70 ^%	1021 hPa	16.1 ^km	NNW (330°)	11.1 ^km/h		Clear
12:55 AM	1 ^°C	-3 ^°C	75 ^%	1021 hPa	16.1 ^km	NW (320°)	13 ^km/h		Clear
1:15 AM	1 ^°C	-4 ^°C	70 ^%	1021 hPa	16.1 ^km	North (350°)	13 ^km/h		Clear
1:35 AM	2 ^°C	-3 ^°C	70 ^%	1020.7 hPa	16.1 ^km	NNW (340°)	14.8 ^km/h		Clear
1:55 AM	0 ^°C	-4 ^°C	75 ^%	1020.7 hPa	16.1 ^km	North (10°)	7.4 ^km/h		Clear
2:15 AM	0 ^°C	-4 ^°C	75 ^%	1020.7 hPa	16.1 ^km	NNW (330°)	13 ^km/h		Clear
2:35 AM	1 ^°C	-3 ^°C	75 ^%	1020.3 hPa	16.1 ^km	North (350°)	11.1 ^km/h		Clear
2:55 AM	-1 ^°C	-4 ^°C	80 ^%	1020.3 hPa	16.1 ^km	NNE (30°)	11.1 ^km/h		Clear
3:15 AM	0 ^°C	-3 ^°C	80 ^%	1020.7 hPa	16.1 ^km	NW (320°)	11.1 ^km/h		Clear
3:35 AM	0 ^°C	-3 ^°C	80 ^%	1020.7 hPa	16.1 ^km	NNW (330°)	18.5 ^km/h		Clear
3:55 AM	1 ^°C	-3 ^°C	75 ^%	1020.7 hPa	16.1 ^km	North (350°)	13 ^km/h		Clear
4:15 AM	0 ^°C	-3 ^°C	80 ^%	1020.7 hPa	16.1 ^km	North (360°)	9.3 ^km/h		Clear
4:35 AM	-1 ^°C	-4 ^°C	80 ^%	1020.7 hPa	16.1 ^km	North (350°)	9.3 ^km/h		Clear
4:55 AM	-1 ^°C	-4 ^°C	80 ^%	1021 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h		Clear
5:15 AM	-2 ^°C	-5 ^°C	80 ^%	1021 hPa	16.1 ^km	NNW (340°)	13 ^km/h		Clear
5:35 AM	-2 ^°C	-4 ^°C	86 ^%	1021 hPa	16.1 ^km	NNW (340°)	13 ^km/h		Clear
5:55 AM	-3 ^°C	-4 ^°C	93 ^%	1021 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h		Clear
6:15 AM	-3 ^°C	-4 ^°C	93 ^%	1021 hPa	16.1 ^km	North (10°)	7.4 ^km/h		Clear
6:35 AM	-3 ^°C	-6 ^°C	80 ^%	1021 hPa	16.1 ^km	NNW (330°)	11.1 ^km/h		Clear
6:55 AM	-3 ^°C	-4 ^°C	93 ^%	1021.3 hPa	16.1 ^km	North (350°)	5.6 ^km/h		Clear
7:15 AM	-3 ^°C	-5 ^°C	86 ^%	1021.3 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		Clear
7:35 AM	-3 ^°C	-4 ^°C	93 ^%	1021.7 hPa	16.1 ^km	NW (310°)	13 ^km/h		Clear
7:55 AM	-3 ^°C	-4 ^°C	93 ^%	1021.7 hPa	16.1 ^km	NW (310°)	11.1 ^km/h		Clear
8:15 AM	-2 ^°C	-4 ^°C	86 ^%	1022 hPa	16.1 ^km	NNW (330°)	11.1 ^km/h		Clear
8:35 AM	0 ^°C	-2 ^°C	87 ^%	1022 hPa	16.1 ^km	Calm			Clear
8:55 AM	2 ^°C	-1 ^°C	81 ^%	1022.4 hPa	16.1 ^km	North (350°)	5.6 ^km/h		Clear
9:15 AM	4 ^°C	-1 ^°C	70 ^%	1022.7 hPa	16.1 ^km	Calm			Clear
9:35 AM	7 ^°C	0 ^°C	61 ^%	1023 hPa	16.1 ^km	Calm			Clear
9:55 AM	9 ^°C	-1 ^°C	50 ^%	1023 hPa	16.1 ^km	West (280°)	11.1 ^km/h		Clear
10:15 AM	9 ^°C	-1 ^°C	50 ^%	1023.4 hPa	16.1 ^km	West (260°)	14.8 ^km/h		Clear
10:35 AM	10 ^°C	-1 ^°C	47 ^%	1023.7 hPa	16.1 ^km	West (260°)	11.1 ^km/h		Clear
10:55 AM	11 ^°C	0 ^°C	47 ^%	1023.7 hPa	16.1 ^km	West (280°)	14.8 ^km/h		Clear
11:15 AM	11 ^°C	0 ^°C	47 ^%	1023.7 hPa	16.1 ^km	West (260°)	20.4 ^km/h		Clear
11:35 AM	11 ^°C	0 ^°C	47 ^%	1023.4 hPa	16.1 ^km	West (260°)	22.2 ^km/h	27.8 ^km/h	Clear
11:55 AM	11 ^°C	-1 ^°C	44 ^%	1023.4 hPa	16.1 ^km	West (280°)	24.1 ^km/h		Clear
12:15 PM	12 ^°C	-1 ^°C	41 ^%	1023 hPa	16.1 ^km	WNW (290°)	24.1 ^km/h	42.6 ^km/h	Partly Cloudy
12:35 PM	11 ^°C	-2 ^°C	41 ^%	1022.7 hPa	16.1 ^km	WNW (290°)	22.2 ^km/h		Partly Cloudy
12:55 PM	12 ^°C	-1 ^°C	41 ^%	1022.4 hPa	16.1 ^km	West (270°)	22.2 ^km/h	37 ^km/h	Clear
1:15 PM	12 ^°C	-2 ^°C	38 ^%	1022 hPa	16.1 ^km	West (260°)	22.2 ^km/h		Partly Cloudy
1:35 PM	12 ^°C	-2 ^°C	38 ^%	1021.7 hPa	16.1 ^km	West (270°)	20.4 ^km/h	31.5 ^km/h	Clear
1:55 PM	12 ^°C	-2 ^°C	38 ^%	1021.3 hPa	16.1 ^km	West (270°)	25.9 ^km/h	37 ^km/h	Clear
2:15 PM	12 ^°C	-2 ^°C	38 ^%	1021 hPa	16.1 ^km	West (280°)	27.8 ^km/h	35.2 ^km/h	Clear
2:35 PM	12 ^°C	-3 ^°C	35 ^%	1021 hPa	16.1 ^km	West (280°)	27.8 ^km/h	37 ^km/h	Clear
2:55 PM	12 ^°C	-3 ^°C	35 ^%	1020.7 hPa	16.1 ^km	West (270°)	22.2 ^km/h	38.9 ^km/h	Clear
3:15 PM	12 ^°C	-4 ^°C	33 ^%	1020.7 hPa	16.1 ^km	WNW (290°)	24.1 ^km/h	33.3 ^km/h	Clear
3:35 PM	12 ^°C	-3 ^°C	35 ^%	1020.7 hPa	16.1 ^km	West (260°)	24.1 ^km/h	29.6 ^km/h	Clear
3:55 PM	12 ^°C	-3 ^°C	35 ^%	1020.7 hPa	16.1 ^km	West (270°)	22.2 ^km/h	29.6 ^km/h	Clear
4:15 PM	12 ^°C	-3 ^°C	35 ^%	1020.7 hPa	16.1 ^km	West (280°)	11.1 ^km/h		Clear
4:35 PM	12 ^°C	-3 ^°C	35 ^%	1020.7 hPa	16.1 ^km	West (270°)	20.4 ^km/h	27.8 ^km/h	Clear
4:55 PM	12 ^°C	-3 ^°C	35 ^%	1020.7 hPa	16.1 ^km	West (280°)	20.4 ^km/h	25.9 ^km/h	Clear
5:15 PM	11 ^°C	-3 ^°C	38 ^%	1021 hPa	16.1 ^km	West (260°)	16.7 ^km/h	25.9 ^km/h	Clear
5:35 PM	11 ^°C	-3 ^°C	38 ^%	1021 hPa	16.1 ^km	West (270°)	14.8 ^km/h		Clear
5:55 PM	9 ^°C	-4 ^°C	40 ^%	1021 hPa	16.1 ^km	West (260°)	14.8 ^km/h		Clear
6:15 PM	7 ^°C	-4 ^°C	46 ^%	1021.3 hPa	16.1 ^km	West (260°)	11.1 ^km/h		Clear
6:35 PM	6 ^°C	-5 ^°C	46 ^%	1021.3 hPa	16.1 ^km	West (270°)	9.3 ^km/h		Clear
6:55 PM	5 ^°C	-6 ^°C	45 ^%	1021.3 hPa	16.1 ^km	WNW (290°)	9.3 ^km/h		Clear
7:15 PM	3 ^°C	-6 ^°C	52 ^%	1021.7 hPa	16.1 ^km	NW (310°)	9.3 ^km/h		Clear
7:35 PM	2 ^°C	-6 ^°C	56 ^%	1021.7 hPa	16.1 ^km	Calm			Clear
7:55 PM	2 ^°C	-6 ^°C	56 ^%	1021.7 hPa	16.1 ^km	NW (320°)	7.4 ^km/h		Clear
8:15 PM	1 ^°C	-7 ^°C	56 ^%	1022 hPa	16.1 ^km	NNE (30°)	7.4 ^km/h		Clear
8:35 PM	1 ^°C	-6 ^°C	60 ^%	1022 hPa	16.1 ^km	NE (40°)	5.6 ^km/h		Clear
8:55 PM	1 ^°C	-6 ^°C	60 ^%	1022.4 hPa	16.1 ^km	NE (40°)	5.6 ^km/h		Clear
9:15 PM	-1 ^°C	-7 ^°C	64 ^%	1022 hPa	16.1 ^km	NNW (340°)	7.4 ^km/h		Clear
9:35 PM	-1 ^°C	-6 ^°C	69 ^%	1022.4 hPa	16.1 ^km	North (10°)	7.4 ^km/h		Clear
9:55 PM	-1 ^°C	-6 ^°C	69 ^%	1022 hPa	16.1 ^km	North (350°)	9.3 ^km/h		Clear
10:15 PM	-1 ^°C	-6 ^°C	69 ^%	1022 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		Clear
10:35 PM	-1 ^°C	-6 ^°C	69 ^%	1022 hPa	16.1 ^km	NE (40°)	5.6 ^km/h		Clear
10:55 PM	-2 ^°C	-6 ^°C	74 ^%	1022 hPa	16.1 ^km	NE (40°)	5.6 ^km/h		Clear
11:15 PM	-3 ^°C	-7 ^°C	74 ^%	1022.4 hPa	16.1 ^km	North (10°)	11.1 ^km/h		Clear
11:35 PM	-3 ^°C	-8 ^°C	69 ^%	1022.4 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h		Clear
11:55 PM	-3 ^°C	-6 ^°C	80 ^%	1022.4 hPa	16.1 ^km	NNW (330°)	11.1 ^km/h		Clear

Hourly data recorded from KMRF, located 0 kilometers away from McDonald Observatory, Texas