condition mean min max 4 h after light 446.500949 399.762409 493.239489 8 h after light 414.033684 405.219927 422.847441 12 h after light 455.43016350000005 421.166732 489.693595 4 h after dark 411.69171600000004 390.748332 432.6351 8 h after dark 456.3295475 434.435331 478.223764 12 h after dark 445.042409 445.042409 445.042409