condition	mean	min	max
4 h after light	15.38815	13.3954	17.3809
8 h after light	39.6219	37.3103	41.9335
12 h after light	24.12795	23.0769	25.179
4 h after dark	9.595213333333334	7.25004	10.867
8 h after dark	9.66957	9.16442	9.94267
12 h after dark	10.315106666666667	9.10422	11.3529