condition	mean	min	max
4 h after light	18.71915	17.8531	19.5852
8 h after light	16.56065	16.4803	16.641
12 h after light	23.229599999999998	23.2102	23.249
4 h after dark	22.988300000000002	21.5558	25.5515
8 h after dark	20.884233333333334	19.1538	23.031
12 h after dark	18.8866	18.3859	19.4009