condition	mean	min	max
4 h after light	13.586953333333334	8.01506	17.9734
8 h after light	9.56142	2.63731	16.1763
12 h after light	11.775026666666665	6.49875	18.9045
4 h after dark	22.539233333333332	16.1315	26.9768
8 h after dark	19.6967	14.7219	23.0716
12 h after dark	18.054299999999998	14.1971	22.4546