condition mean min max 4 h after light 135.5289 119.1473 144.7898 8 h after light 102.2843 80.18621 126.7279 12 h after light 111.03019666666667 99.45639 128.5655 16 h after light 186.54376666666667 166.94299999999998 225.6779 4 h after dark 177.91546666666667 151.5016 196.1515 8 h after dark 123.05776 97.04128 145.6146