condition	mean	min	max
4 h after light	9.90701	9.84609	9.96192
8 h after light	9.959243333333333	9.8688	10.03819
12 h after light	9.82828	9.780389999999999	9.87619
4 h after dark	9.780103333333333	9.65718	9.901689999999999
8 h after dark	9.68539	9.53735	9.79647
12 h after dark	9.69753	9.6331	9.75734