condition	mean	min	max
4 h after light	5644.9	5644.9	5644.9
8 h after light	6835.5	6413.2	7257.8
12 h after light	9853.55	7751.1	11956.0
4 h after dark	14814.2	11646.5	17981.9
8 h after dark	14042.15	13681.5	14402.8
12 h after dark	11283.0	9146.8	13419.2