condition	mean	min	max
4 h after light	20.2	20.2	20.2
8 h after light	36.85	15.5	58.2
12 h after light	21.5	5.3	37.7
4 h after dark	35.7	35.3	36.1
8 h after dark	64.94999999999999	63.3	66.6
12 h after dark	18.2	7.7	28.7