condition	mean	min	max
4 h after light	14.926000000000002	13.2199	16.6321
8 h after light	17.09185	15.9163	18.2674
12 h after light	20.01635	18.3842	21.6485
4 h after dark	24.40533333333333	24.2735	24.5737
8 h after dark	20.606033333333333	18.3282	23.3487
12 h after dark	13.8716	13.8649	13.8821