condition	mean	min	max
4 h after light	18.2	18.2	18.2
8 h after light	6.15	5.0	7.3
12 h after light	25.75	24.7	26.8
4 h after dark	38.1	12.7	63.5
8 h after dark	13.25	8.3	18.2
12 h after dark	7.300000000000001	7.2	7.4