condition	mean	min	max
4 h after light	15.7729	15.1719	16.3739
8 h after light	17.62605	16.3974	18.8547
12 h after light	17.11055	16.6875	17.5336
4 h after dark	21.973599999999998	20.6833	23.2639
8 h after dark	18.493299999999998	18.2811	18.7055
12 h after dark	18.73275	18.3278	19.1377