condition	mean	min	max
4 h after light	17.1955	14.788	20.5576
8 h after light	14.68367	6.03261	19.3896
12 h after light	17.6725	10.0041	23.2083
4 h after dark	23.500466666666668	19.0733	25.9704
8 h after dark	19.7394	14.2153	23.0216
12 h after dark	19.031766666666666	18.5023	19.7042