condition	mean	min	max
4 h after light	21.143900000000002	20.9388	21.349
8 h after light	13.367899999999999	12.6307	14.1051
12 h after light	12.2637	12.0554	12.472
4 h after dark	13.926749999999998	13.4721	14.3814
8 h after dark	17.5844	17.0325	18.1363
12 h after dark	19.5111	18.6047	20.4175