condition mean min max 4 h after light 177.2735 170.645 183.902 8 h after light 115.232 112.72 117.744 12 h after light 115.05 105.991 124.109 4 h after dark 141.815 137.294 146.336 8 h after dark 205.707 193.304 218.11 12 h after dark 240.91250000000002 235.961 245.864