condition mean min max 4 h after light 727.0 727.0 727.0 8 h after light 739.75 675.4 804.1 12 h after light 825.8499999999999 754.3 897.4 4 h after dark 785.55 674.4 896.7 8 h after dark 736.5 697.6 775.4 12 h after dark 635.65 634.4 636.9