condition mean min max 4 h after light 357.991615 341.743961 374.239269 8 h after light 382.957998 363.607016 402.30898 12 h after light 446.3088745 444.942291 447.675458 4 h after dark 487.7225895 451.539749 523.90543 8 h after dark 509.7921285 494.775409 524.808848 12 h after dark 481.274561 481.274561 481.274561