condition mean min max 4 h after light 954.4791585 830.524006 1078.434311 8 h after light 789.950195 750.745256 829.155134 12 h after light 734.718005 611.425686 858.010324 4 h after dark 605.4712334999999 475.335335 735.607132 8 h after dark 487.5902375 327.201326 647.979149 12 h after dark 533.974849 533.974849 533.974849