condition mean min max 4 h after light 974.7 974.7 974.7 8 h after light 749.55 725.6 773.5 12 h after light 733.0999999999999 671.3 794.9 4 h after dark 798.85 703.2 894.5 8 h after dark 883.15 865.0 901.3 12 h after dark 924.9499999999999 793.8 1056.1