condition mean min max 4 h after light 768.1 768.1 768.1 8 h after light 663.45 572.3 754.6 12 h after light 785.4000000000001 573.7 997.1 4 h after dark 944.1500000000001 938.1 950.2 8 h after dark 842.1 829.7 854.5 12 h after dark 820.75 755.3 886.2