condition	mean	min	max
4 h after light	17.5	17.5	17.5
8 h after light	40.1	23.6	56.6
12 h after light	49.05	44.1	54.0
4 h after dark	25.25	21.1	29.4
8 h after dark	81.4	40.4	122.4
12 h after dark	32.25	29.5	35.0