condition	mean	min	max
4 h after light	28.7	28.7	28.7
8 h after light	18.95	13.1	24.8
12 h after light	21.05	7.2	34.9
4 h after dark	9.65	6.4	12.9
8 h after dark	20.6	18.3	22.9
12 h after dark	7.3	2.5	12.1