condition	mean	min	max
4 h after light	9.107256666666666	7.75314	10.6857
8 h after light	12.00843	4.06899	17.4625
12 h after light	12.052513333333334	8.45414	17.4081
4 h after dark	15.3268	10.6891	18.6548
8 h after dark	12.6714	10.1446	16.9645
12 h after dark	9.340539999999999	8.338	10.6898