condition mean min max 4 h after light 2035.1 2035.1 2035.1 8 h after light 1847.55 1646.6 2048.5 12 h after light 2062.05 1784.1 2340.0 4 h after dark 2064.35 1933.0 2195.7 8 h after dark 2037.1999999999998 1850.7 2223.7 12 h after dark 1900.0500000000002 1703.8 2096.3