condition	mean	min	max
4 h after light	8.55479	8.33988	8.89819
8 h after light	9.06734	8.74128	9.59015
12 h after light	8.9781	8.57352	9.36298
4 h after dark	8.516073333333333	7.852310000000001	9.17278
8 h after dark	8.22008	7.87546	8.422419999999999
12 h after dark	7.886846666666667	7.60266	8.11897