condition mean min max 4 h after light 716.3 716.3 716.3 8 h after light 795.8499999999999 649.4 942.3 12 h after light 818.65 757.9 879.4 4 h after dark 839.4000000000001 701.1 977.7 8 h after dark 657.95 534.9 781.0 12 h after dark 688.25 622.4 754.1