condition	mean	min	max
4 h after light	36.55777777666667	26.45	53.61
8 h after light	25.84611111	13.11	33.755
12 h after light	20.32	15.57	22.71
1.5 h after dark	20.52777778	15.61666667	26.42
5.5 h after dark	20.385555553333333	14.07333333	32.39
9.5 h after dark	23.03	16.7	30.44666667