condition mean min max 4 h after light 218.53821349999998 210.014357 227.06207 8 h after light 173.19359550000001 158.001288 188.385903 12 h after light 281.903616 276.594241 287.212991 4 h after dark 227.33168949999998 217.744597 236.918782 8 h after dark 243.395645 200.384078 286.407212 12 h after dark 439.251923 439.251923 439.251923