condition	mean	min	max
0 h after light	21.6588	19.2562	24.0614
4 h after light	17.23095	16.74	17.7219
8 h after light	19.8415	19.8125	19.8705
4 h after dark	39.938900000000004	38.6376	41.2402
8 h after dark	32.96595	32.0804	33.8515
12 h after dark	21.738149999999997	17.9897	25.4866