condition mean min max 4 h after light 226.222 208.222 239.052 8 h after light 111.1307 37.8001 183.298 12 h after light 73.2678 52.7052 92.9216 4 h after dark 113.89096666666667 99.7299 125.961 8 h after dark 161.903 130.897 178.174 12 h after dark 267.7916666666667 258.911 277.092