condition	mean	min	max
4 h after light	5.9	5.9	5.9
8 h after light	5.4	4.9	5.9
12 h after light	27.05	6.6	47.5
4 h after dark	7.15	4.0	10.3
8 h after dark	21.15	16.5	25.8
12 h after dark	15.5	6.0	25.0