condition mean min max 4 h after light 111.8765 109.534 114.219 8 h after light 100.0912 95.9484 104.234 12 h after light 106.6125 100.899 112.326 4 h after dark 167.4725 152.367 182.578 8 h after dark 149.02249999999998 146.129 151.916 12 h after dark 123.3035 113.53 133.077