condition	mean	min	max
4 h after light	8.4	8.4	8.4
8 h after light	40.25	29.0	51.5
12 h after light	49.55	45.5	53.6
4 h after dark	50.55	46.3	54.8
8 h after dark	45.7	32.8	58.6
12 h after dark	42.15	21.8	62.5