condition	mean	min	max
4 h after light	23.0	23.0	23.0
8 h after light	12.3	2.6	22.0
12 h after light	18.25	10.0	26.5
4 h after dark	12.95	10.2	15.7
8 h after dark	16.7	2.2	31.2
12 h after dark	8.3	6.7	9.9