condition	mean	min	max
4 h after light	7.5257249999999996	7.36041	7.69104
8 h after light	9.86951	9.55732	10.1817
12 h after light	8.297525	7.51717	9.07788
4 h after dark	13.13135	11.5468	14.7159
8 h after dark	8.69236	8.59815	8.78657
12 h after dark	10.048855	9.05921	11.0385