condition	mean	min	max
4 h after light	28.9	28.9	28.9
8 h after light	13.15	7.7	18.6
12 h after light	12.4	5.0	19.8
4 h after dark	7.25	6.0	8.5
8 h after dark	18.7	5.6	31.8
12 h after dark	7.1	4.5	9.7