condition	mean	min	max
4 h after light	57.60275	54.4744	60.7311
8 h after light	56.112849999999995	52.0184	60.2073
12 h after light	45.2423	43.8976	46.587
4 h after dark	58.861549999999994	58.5151	59.208
8 h after dark	67.86985	66.5222	69.2175
12 h after dark	78.52195	73.2941	83.7498