condition	mean	min	max
4 h after light	18.8	18.8	18.8
8 h after light	37.1	17.5	56.7
12 h after light	62.7	49.7	75.7
4 h after dark	63.95	55.1	72.8
8 h after dark	54.650000000000006	48.2	61.1
12 h after dark	68.6	67.8	69.4