condition	mean	min	max
4 h after light	19.1796	17.4877	20.8715
8 h after light	18.742649999999998	18.5782	18.9071
12 h after light	21.79505	21.2351	22.355
4 h after dark	24.329900000000002	23.7787	24.8811
8 h after dark	23.87565	23.8132	23.9381
12 h after dark	24.8566	24.1059	25.6073