condition mean min max 4 h after light 303.8698855 229.894668 377.845103 8 h after light 318.7371215 292.67006 344.804183 12 h after light 317.0901825 254.093038 380.087327 4 h after dark 156.1992405 96.487321 215.91116 8 h after dark 105.30854500000001 97.373255 113.243835 12 h after dark 217.847441 217.847441 217.847441