condition	mean	min	max
4 h after light	35.045100000000005	32.866	37.2242
8 h after light	19.28755	17.6936	20.8815
12 h after light	20.75745	19.1566	22.3583
4 h after dark	38.89745	38.43	39.3649
8 h after dark	49.10850000000001	47.002	51.215
12 h after dark	48.2946	45.753	50.8362