condition	mean	min	max
4 h after light	18.62529	12.03513	24.84386
8 h after light	20.149216666666668	14.81944	23.413710000000002
12 h after light	6.806344666666667	5.355856	7.955850999999999
16 h after light	15.978900000000001	11.1843	18.47795
4 h after dark	58.40523	49.89022	64.78969000000001
8 h after dark	13.832532333333333	8.197857	16.75369