condition mean min max 4 h after light 382.940071 363.530673 402.349469 8 h after light 381.8892175 366.093249 397.685186 12 h after light 352.42391699999996 333.000393 371.847441 4 h after dark 294.0792475 270.876465 317.28203 8 h after dark 336.317721 333.52183 339.113612 12 h after dark 254.419213 254.419213 254.419213