condition	mean	min	max
4 h after light	17.1	17.1	17.1
8 h after light	7.0	4.7	9.3
12 h after light	3.95	3.5	4.4
4 h after dark	10.2	9.5	10.9
8 h after dark	18.1	4.1	32.1
12 h after dark	32.75	10.0	55.5