condition mean min max 4 h after light 1048.7755634999999 890.132527 1207.4186 8 h after light 946.7867289999999 894.456786 999.116672 12 h after light 734.7434049999999 605.30898 864.17783 4 h after dark 807.4502540000001 669.546461 945.354047 8 h after dark 706.6065655 614.561173 798.651958 12 h after dark 950.557134 950.557134 950.557134