condition	mean	min	max
4 h after light	76.4	76.4	76.4
8 h after light	108.9	106.7	111.1
12 h after light	121.6	121.3	121.9
4 h after dark	158.5	48.5	268.5
8 h after dark	45.300000000000004	6.4	84.2
12 h after dark	19.75	15.7	23.8