condition	mean	min	max
0 h after light	13.63355	13.3507	13.9164
4 h after light	6.602445	6.20267	7.00222
8 h after light	4.60398	3.0113	6.19666
4 h after dark	9.20735	6.9751	11.4396
8 h after dark	11.10915	10.9539	11.2644
12 h after dark	16.6741	15.5234	17.8248