condition	mean	min	max
4 h after light	38.1	38.1	38.1
8 h after light	27.75	7.3	48.2
12 h after light	40.6	34.2	47.0
4 h after dark	40.7	12.7	68.7
8 h after dark	34.1	3.0	65.2
12 h after dark	77.5	72.6	82.4