condition	mean	min	max
0 h after light	21.1772	20.5803	21.7741
4 h after light	12.95685	10.5919	15.3218
8 h after light	16.294	13.6813	18.9067
4 h after dark	23.35205	23.2948	23.4093
8 h after dark	17.02995	16.7899	17.27
12 h after dark	17.629849999999998	17.6166	17.6431