condition	mean	min	max
4 h after light	693.2	693.2	693.2
8 h after light	727.2	682.3	772.1
12 h after light	713.8	642.5	785.1
4 h after dark	653.5	612.4	694.6
8 h after dark	625.4	598.3	652.5
12 h after dark	572.05	554.6	589.5