condition	mean	min	max
4 h after light	14.917300000000001	13.9403	15.8943
8 h after light	13.7543	13.6702	13.8384
12 h after light	14.931750000000001	14.3397	15.5238
4 h after dark	16.40435	15.1652	17.6435
8 h after dark	15.6051	15.5408	15.6694
12 h after dark	16.81185	16.7647	16.859