condition	mean	min	max
4 h after light	79.4	79.4	79.4
8 h after light	96.05	80.3	111.8
12 h after light	102.95	102.4	103.5
4 h after dark	175.25	93.3	257.2
8 h after dark	100.15	57.3	143.0
12 h after dark	84.6	82.9	86.3