condition mean min max 4 h after light 2917.1 2917.1 2917.1 8 h after light 2791.8999999999996 2759.1 2824.7 12 h after light 3220.1 3206.1 3234.1 4 h after dark 2755.4 2245.9 3264.9 8 h after dark 2518.5 2304.5 2732.5 12 h after dark 2360.55 2262.6 2458.5