condition	mean	min	max
4 h after light	7.201409999999999	7.099419999999999	7.30802
8 h after light	7.10164	7.09145	7.118189999999999
12 h after light	7.2486033333333335	7.19865	7.330080000000001
4 h after dark	7.472943333333333	7.390039999999999	7.5892800000000005
8 h after dark	7.510820000000001	7.377000000000001	7.5945
12 h after dark	7.613836666666667	7.47852	7.75973