condition mean min max 4 h after light 291.14067450000005 258.818523 323.462826 8 h after light 322.2371255 300.8619 343.612351 12 h after light 365.972504 340.636028 391.30898 4 h after dark 434.316641 373.71814 494.915142 8 h after dark 394.6977095 372.639062 416.756357 12 h after dark 315.815876 315.815876 315.815876