condition	mean	min	max
4 h after light	72.2	72.2	72.2
8 h after light	37.9	29.7	46.1
12 h after light	40.05	34.8	45.3
4 h after dark	28.15	21.8	34.5
8 h after dark	45.05	42.6	47.5
12 h after dark	86.1	82.7	89.5