condition	mean	min	max
4 h after light	17.24595	17.1044	17.3875
8 h after light	18.8866	14.8195	22.9537
12 h after light	11.49755	10.6295	12.3656
4 h after dark	7.32866	7.24566	7.41166
8 h after dark	14.859749999999998	13.3439	16.3756
12 h after dark	11.394	10.2475	12.5405