condition	mean	min	max
4 h after light	66.8	66.8	66.8
8 h after light	94.85	77.7	112.0
12 h after light	68.55	47.4	89.7
4 h after dark	29.45	15.4	43.5
8 h after dark	69.1	58.0	80.2
12 h after dark	50.6	37.0	64.2