condition mean min max 4 h after light 220.867482 194.741905 246.993059 8 h after light 268.1851595 246.828223 289.542096 12 h after light 246.26990999999998 218.312848 274.226972 4 h after dark 291.1766095 287.155134 295.198085 8 h after dark 241.308448 241.230993 241.385903 12 h after dark 217.771599 217.771599 217.771599