condition mean min max 4 h after light 391.9565 379.607 404.306 8 h after light 319.1095 312.911 325.308 12 h after light 313.15700000000004 290.473 335.841 4 h after dark 361.3196666666667 357.773 364.062 8 h after dark 408.275 392.656 417.163 12 h after dark 432.789 429.063 436.171