condition mean min max 0 h after light 260.8165 256.264 265.369 4 h after light 260.668 251.599 269.737 8 h after light 271.79449999999997 262.19 281.399 4 h after dark 386.914 324.564 449.264 8 h after dark 264.49 247.754 281.226 12 h after dark 254.3075 237.382 271.233