condition mean min max 4 h after light 2896.8 2896.8 2896.8 8 h after light 2617.3 2228.0 3006.6 12 h after light 2454.0 2056.3 2851.7 4 h after dark 2168.0 1329.1 3006.9 8 h after dark 2225.8 1096.7 3354.9 12 h after dark 3075.05 3057.0 3093.1