condition mean min max 4 h after light 671.2 671.2 671.2 8 h after light 709.9000000000001 683.2 736.6 12 h after light 698.0 600.2 795.8 4 h after dark 910.45 610.6 1210.3 8 h after dark 905.85 823.1 988.6 12 h after dark 818.3 692.1 944.5