condition	mean	min	max
4 h after light	33.9	33.9	33.9
8 h after light	21.85	21.3	22.4
12 h after light	19.95	1.3	38.6
4 h after dark	18.85	8.3	29.4
8 h after dark	23.65	20.2	27.1
12 h after dark	25.1	17.7	32.5