condition mean min max 4 h after light 6789.9 6789.9 6789.9 8 h after light 6946.2 5296.1 8596.3 12 h after light 9561.95 6416.7 12707.2 4 h after dark 10397.75 10033.8 10761.7 8 h after dark 8524.849999999999 7329.4 9720.3 12 h after dark 8344.9 8032.8 8657.0