condition	mean	min	max
4 h after light	8.2	8.2	8.2
8 h after light	45.9	37.4	54.4
12 h after light	15.25	11.6	18.9
4 h after dark	36.4	25.2	47.6
8 h after dark	60.05	55.5	64.6
12 h after dark	43.1	41.0	45.2