condition	mean	min	max
4 h after light	81.3	81.3	81.3
8 h after light	69.55	41.4	97.7
12 h after light	62.55	33.3	91.8
4 h after dark	44.3	31.5	57.1
8 h after dark	64.7	48.7	80.7
12 h after dark	38.05	18.3	57.8