condition	mean	min	max
4 h after light	34.2	34.2	34.2
8 h after light	75.2	72.5	77.9
12 h after light	43.2	27.7	58.7
4 h after dark	55.45	47.3	63.6
8 h after dark	40.65	11.5	69.8
12 h after dark	24.95	7.9	42.0