condition	mean	min	max
4 h after light	63.5142	62.8204	64.208
8 h after light	57.158950000000004	55.0065	59.3114
12 h after light	62.25405	61.7346	62.7735
4 h after dark	81.18924999999999	81.109	81.2695
8 h after dark	79.3962	74.3348	84.4576
12 h after dark	72.3229	71.2037	73.4421