condition	mean	min	max
4 h after light	36.7	36.7	36.7
8 h after light	32.4	27.3	37.5
12 h after light	47.75	42.0	53.5
4 h after dark	61.3	59.4	63.2
8 h after dark	55.95	41.4	70.5
12 h after dark	40.3	39.6	41.0