condition	mean	min	max
4 h after light	7.0	7.0	7.0
8 h after light	30.5	23.5	37.5
12 h after light	11.25	2.6	19.9
4 h after dark	12.0	4.7	19.3
8 h after dark	15.55	6.4	24.7
12 h after dark	20.799999999999997	17.7	23.9