condition	mean	min	max
4 h after light	27.6	27.6	27.6
8 h after light	11.2	4.0	18.4
12 h after light	10.25	6.2	14.3
4 h after dark	7.9	2.3	13.5
8 h after dark	8.2	5.8	10.6
12 h after dark	28.1	25.0	31.2