condition	mean	min	max
4 h after light	31.5	31.5	31.5
8 h after light	18.65	7.3	30.0
12 h after light	17.35	8.8	25.9
4 h after dark	10.8	6.7	14.9
8 h after dark	8.9	2.6	15.2
12 h after dark	3.35	2.5	4.2