condition	mean	min	max
4 h after light	15.209299999999999	13.0712	17.3474
8 h after light	10.59495	10.1898	11.0001
12 h after light	5.62788	5.19421	6.06155
4 h after dark	11.795649999999998	10.4164	13.1749
8 h after dark	12.01995	11.231	12.8089
12 h after dark	14.0761	12.9317	15.2205