condition	mean	min	max
4 h after light	27.943600000000004	22.7876	33.0996
8 h after light	19.2199	18.3971	20.0427
12 h after light	8.118780000000001	7.89259	8.34497
4 h after dark	3.796565	3.28262	4.31051
8 h after dark	4.238605	3.57557	4.90164
12 h after dark	10.637765	9.37173	11.9038