condition	mean	min	max
4 h after light	27.1	27.1	27.1
8 h after light	15.75	4.3	27.2
12 h after light	24.0	18.9	29.1
4 h after dark	21.1	4.6	37.6
8 h after dark	6.7	5.4	8.0
12 h after dark	34.05	23.0	45.1