condition	mean	min	max
4 h after light	16.911450000000002	14.5369	19.286
8 h after light	17.30735	14.3649	20.2498
12 h after light	17.4927	17.3716	17.6138
4 h after dark	19.7658	17.5045	21.3959
8 h after dark	22.194333333333333	20.4021	24.1991
12 h after dark	19.7211	17.4122	21.1407