Daylight Hours in Helena, Mt, Usa

The longest day of the year is 15h 38' long and the shortest day is 8h 21' long.
The longest day is 7h 16' longer than the shortest day.
At midday the sun is on average 43.8° above the horizon at Helena, Mt.
The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 66.84° above the horizon.
The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 20.01° above the horizon.

		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec		Annual
	Average Daylight Hours & Minutes/ Day	9h 00'	10h 14'	11h 50'	13h 32'	14h 59'	15h 45'	15h 25'	14h 09'	12h 29'	10h 47'	9h 20'	8h 37'		12h 00'
	Sun altitude at solar noon on the 21st day (°).	23.6	33	43.8	55.4	63.7	66.8	63.7	55.3	43.9	32.4	23.3	20		43.8

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