condition	mean	min	max
4 h after light	1068.2	1068.2	1068.2
8 h after light	1053.35	965.8	1140.9
12 h after light	1006.25	977.0	1035.5
4 h after dark	880.5	855.0	906.0
8 h after dark	895.25	828.5	962.0
12 h after dark	869.3	834.2	904.4