condition	mean	min	max
4 h after light	3.6	3.6	3.6
8 h after light	17.75	2.7	32.8
12 h after light	6.5	5.2	7.8
4 h after dark	19.35	7.5	31.2
8 h after dark	32.55	28.0	37.1
12 h after dark	5.55	3.1	8.0