condition	mean	min	max
4 h after light	7.5216449999999995	6.90745	8.13584
8 h after light	7.325725	7.22936	7.42209
12 h after light	7.98689	6.8668	9.10698
4 h after dark	8.2996	7.49421	9.10499
8 h after dark	9.98412	9.85244	10.1158
12 h after dark	9.632439999999999	9.47608	9.7888