condition	mean	min	max
0 h after light	15.493000000000002	14.7855	16.2005
4 h after light	21.716	19.8925	23.5395
8 h after light	16.2825	14.7372	17.8278
4 h after dark	21.2207	20.1179	22.3235
8 h after dark	32.74735	32.2755	33.2192
12 h after dark	15.858600000000001	12.4585	19.2587