condition	mean	min	max
4 h after light	45.4	45.4	45.4
8 h after light	30.55	11.9	49.2
12 h after light	18.45	12.2	24.7
4 h after dark	38.45	34.8	42.1
8 h after dark	37.0	32.4	41.6
12 h after dark	28.25	12.5	44.0