condition	mean	min	max
4 h after light	9.670851500000001	9.583933	9.75777
8 h after light	9.481954	9.427404	9.536504
12 h after light	9.268166	9.069764	9.466568
4 h after dark	9.660307	8.877741	10.442873
8 h after dark	9.5254995	9.032966	10.018033
12 h after dark	8.239893	8.239893	8.239893