condition	mean	min	max
4 h after light	18.117373333333333	13.04451	20.81739
8 h after light	8.404144	5.079559	12.83548
12 h after light	15.19041	15.0595	15.287189999999999
16 h after light	30.361500000000003	25.61449	39.78464
4 h after dark	24.638976666666668	17.31198	28.33196
8 h after dark	15.675236666666665	11.36065	21.539579999999997