condition	mean	min	max
4 h after light	39.1	39.1	39.1
8 h after light	20.15	2.5	37.8
12 h after light	5.7	4.5	6.9
4 h after dark	25.9	21.3	30.5
8 h after dark	37.3	25.6	49.0
12 h after dark	23.35	15.7	31.0