condition	mean	min	max
4 h after light	20.4	20.4	20.4
8 h after light	40.3	37.6	43.0
12 h after light	47.8	45.0	50.6
4 h after dark	38.4	27.0	49.8
8 h after dark	47.35	38.2	56.5
12 h after dark	42.9	42.3	43.5