condition	mean	min	max
4 h after light	9.678313333333334	9.51325	9.79723
8 h after light	9.48269	9.31082	9.60936
12 h after light	9.338099999999999	9.33467	9.3403
4 h after dark	9.407843333333334	9.31988	9.48328
8 h after dark	9.63068	9.582310000000001	9.692960000000001
12 h after dark	9.730953333333334	9.55213	10.0705