condition	mean	min	max
4 h after light	6.9501865	6.807227	7.093146
8 h after light	6.939582	6.906205	6.972959
12 h after light	6.7529795	6.563454	6.942505
4 h after dark	6.784561500000001	6.673371	6.895752
8 h after dark	10.0145835	6.906205	13.122962
12 h after dark	6.841809	6.841809	6.841809