condition	mean	min	max
4 h after light	38.5	38.5	38.5
8 h after light	32.05	27.8	36.3
12 h after light	42.8	36.1	49.5
4 h after dark	24.5	22.4	26.6
8 h after dark	49.45	29.5	69.4
12 h after dark	18.1	8.2	28.0