condition mean min max 4 h after light 0.7210885 0.369927 1.07225 8 h after light 0.2922975 0.26467 0.319925 12 h after light 0.556905 0.326126 0.787684 4 h after dark 0.734864 0.553947 0.915781 8 h after dark 0.8053319999999999 0.553934 1.05673 12 h after dark 0.9273335 0.451947 1.40272