condition mean min max 4 h after light 517.0948195 446.880659 587.30898 8 h after light 319.7824905 282.327405 357.237576 12 h after light 375.17584999999997 350.888874 399.462826 4 h after dark 310.0816455 279.172132 340.991159 8 h after dark 202.24314249999998 110.589775 293.89651 12 h after dark 490.779454 490.779454 490.779454