condition	mean	min	max
4 h after light	6.7	6.7	6.7
8 h after light	18.099999999999998	7.3	28.9
12 h after light	64.7	51.7	77.7
4 h after dark	19.9	18.4	21.4
8 h after dark	8.5	5.8	11.2
12 h after dark	18.95	12.0	25.9