condition mean min max 4 h after light 10.226205 8.15151 12.3009 8 h after light 6.3706700000000005 6.26867 6.47267 12 h after light 6.7354400000000005 6.53033 6.94055 4 h after dark 6.32046 5.85969 6.56055 8 h after dark 10.095586666666666 9.24001 11.5299 12 h after dark 10.904733333333333 8.95546 14.2738