condition	mean	min	max
4 h after light	27.6	27.6	27.6
8 h after light	55.65	51.3	60.0
12 h after light	21.2	15.7	26.7
4 h after dark	15.85	3.3	28.4
8 h after dark	49.95	38.3	61.6
12 h after dark	28.400000000000002	7.2	49.6