YELLOWSTONE NATIONAL PARK, WYOMING

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Elevation: 2420 meters Latitude: 44 34N Longitude: 110 24W

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Number of Records: 310,003; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 21 SEPTEMBER, 2013

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	7.8 ^°C	18.3 ^°C (2:56 pm)	-1.1 ^°C (3:56 am)
Dewpoint	0.2 ^°C	4.4 ^°C (10:56 am)	-2.8 ^°C (5:56 pm)
Humidity	66.2 ^%	96 ^% (2:56 am)	26 ^% (2:56 pm)
Barometer	1011.5 ^hPa	1016.3 hPa (7:56 am)	1005.4 hPa (11:56 pm)
Wind Speed	3.9 ^km/h	13 ^km/h (2:56 pm)
Wind Gust		33.3 ^km/h (2:56 pm)

Weather Element	Average
Wind Direction	ENE (77.4 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	9.8 (Base 18.3)

Averaged from 23 records on 21 September, 2013

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 21 SEPTEMBER, 2013

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Wind Direction	Wind Speed	Gust Speed
1:56 AM	0 ^°C	-1.1 ^°C	92 ^%	1015.2 hPa	NW (320°)	5.6 ^km/h
2:56 AM	-0.6 ^°C	-1.1 ^°C	96 ^%	1014.9 hPa	WNW (300°)	5.6 ^km/h
3:56 AM	-1.1 ^°C	-1.7 ^°C	96 ^%	1014.6 hPa	Calm
4:56 AM	-0.6 ^°C	-1.1 ^°C	96 ^%	1014.2 hPa	Calm
5:56 AM	-0.6 ^°C	-1.1 ^°C	96 ^%	1013.5 hPa	Calm
6:56 AM	-1.1 ^°C	-1.7 ^°C	96 ^%	1015.2 hPa	NW (320°)	5.6 ^km/h
7:56 AM	0 ^°C	-1.1 ^°C	92 ^%	1016.3 hPa	Calm
8:56 AM	5.6 ^°C	3.3 ^°C	85 ^%	1014.6 hPa	Calm
9:56 AM	11.7 ^°C	2.8 ^°C	55 ^%	1013.9 hPa	Calm
10:56 AM	13.3 ^°C	4.4 ^°C	55 ^%	1013.2 hPa	Variable	7.4 ^km/h
11:56 AM	15.6 ^°C	2.2 ^°C	41 ^%	1012.2 hPa	Variable	5.6 ^km/h
12:56 PM	16.7 ^°C	-1.1 ^°C	30 ^%	1011.2 hPa	Variable	9.3 ^km/h
1:56 PM	17.2 ^°C	-1.7 ^°C	28 ^%	1010.2 hPa	Variable	9.3 ^km/h
2:56 PM	18.3 ^°C	-1.7 ^°C	26 ^%	1009.5 hPa	SW (220°)	13 ^km/h	33.3 ^km/h
3:56 PM	18.3 ^°C	0 ^°C	29 ^%	1008.5 hPa	Calm
4:56 PM	15.6 ^°C	-1.1 ^°C	32 ^%	1008.5 hPa	Variable	7.4 ^km/h
5:56 PM	17.2 ^°C	-2.8 ^°C	26 ^%	1007.8 hPa	Variable	7.4 ^km/h
6:56 PM	11.1 ^°C	2.8 ^°C	57 ^%	1009.5 hPa	Calm
7:56 PM	7.2 ^°C	3.3 ^°C	76 ^%	1009.8 hPa	Calm
8:56 PM	5.6 ^°C	1.7 ^°C	76 ^%	1009.5 hPa	Calm
9:56 PM	4.4 ^°C	0.6 ^°C	77 ^%	1007.5 hPa	Calm
10:56 PM	3.3 ^°C	0.6 ^°C	83 ^%	1006.8 hPa	NW (310°)	5.6 ^km/h
11:56 PM	2.8 ^°C	0 ^°C	82 ^%	1005.4 hPa	NW (310°)	5.6 ^km/h

Hourly data recorded from KP60, located 0 kilometers away from Yellowstone National Park, Wyoming