condition mean min max 4 h after light 193.5995 180.443 206.756 8 h after light 107.235 100.452 114.018 12 h after light 143.782 142.455 145.109 4 h after dark 103.86229999999999 98.3269 108.678 8 h after dark 139.033 130.772 154.151 12 h after dark 174.043 171.333 178.218