condition mean min max 4 h after light 866.6320935 846.235061 887.029126 8 h after light 792.195285 651.298648 933.091922 12 h after light 904.0688044999999 804.305009 1003.8326 4 h after dark 1213.0405660000001 1134.970557 1291.110575 8 h after dark 1234.6229804999998 1016.329497 1452.916464 12 h after dark 903.234847 903.234847 903.234847