condition	mean	min	max
4 h after light	0.8	0.8	0.8
8 h after light	11.55	2.6	20.5
12 h after light	23.4	18.0	28.8
4 h after dark	18.799999999999997	10.7	26.9
8 h after dark	14.65	4.8	24.5
12 h after dark	13.35	9.0	17.7