condition	mean	min	max
4 h after light	19.0167	17.0345	20.9989
8 h after light	13.796050000000001	13.6254	13.9667
12 h after light	16.6544	16.2441	17.0647
4 h after dark	21.108166666666666	20.3306	21.6682
8 h after dark	24.630399999999998	24.3907	25.0976
12 h after dark	21.5339	19.951	22.6998