condition	mean	min	max
4 h after light	16.10065	15.6355	16.5658
8 h after light	13.88125	13.1266	14.6359
12 h after light	12.943950000000001	12.0139	13.874
4 h after dark	17.016133333333332	13.5581	18.9345
8 h after dark	23.222466666666666	22.6387	24.0946
12 h after dark	14.772966666666667	9.2855	17.773