condition	mean	min	max
4 h after light	75.6	75.6	75.6
8 h after light	69.55	53.8	85.3
12 h after light	62.9	59.0	66.8
4 h after dark	86.0	76.2	95.8
8 h after dark	79.80000000000001	72.4	87.2
12 h after dark	111.55	110.0	113.1