condition	mean	min	max
4 h after light	43.1	43.1	43.1
8 h after light	55.6	49.5	61.7
12 h after light	51.7	51.6	51.8
4 h after dark	79.4	60.2	98.6
8 h after dark	60.65	27.8	93.5
12 h after dark	56.5	52.7	60.3