condition mean min max 4 h after light 129.7325265 125.850187 133.614866 8 h after light 135.3431015 126.349827 144.336376 12 h after light 153.95674400000001 153.616672 154.296816 4 h after dark 175.881702 171.282516 180.480888 8 h after dark 175.3316525 173.96971 176.693595 12 h after dark 141.138065 141.138065 141.138065