condition	mean	min	max
4 h after light	12.44543	8.95336	15.9375
8 h after light	14.3061	12.9294	15.6828
12 h after light	17.903399999999998	17.531	18.2758
4 h after dark	17.6071	15.1508	19.7739
8 h after dark	21.950633333333332	17.0015	24.56
12 h after dark	13.878666666666668	10.0958	17.297