condition	mean	min	max
4 h after light	16.77295	14.9744	18.5715
8 h after light	14.8849	14.1495	15.6203
12 h after light	13.91365	10.7968	17.0305
4 h after dark	15.0859	14.6843	15.4875
8 h after dark	20.67255	19.979	21.3661
12 h after dark	20.964550000000003	20.0607	21.8684