condition	mean	min	max
4 h after light	28.9	28.9	28.9
8 h after light	8.4	3.5	13.3
12 h after light	18.8	4.4	33.2
4 h after dark	17.85	5.9	29.8
8 h after dark	8.05	7.2	8.9
12 h after dark	4.5	3.9	5.1