condition mean min max 4 h after light 78545.84666666666 75755.36 80857.24 8 h after light 83864.87666666666 81062.52 86206.92 12 h after light 32707.18666666667 20229.08 40395.23 16 h after light 7495.073333333334 6081.641 9765.523000000001 4 h after dark 3837.4320000000002 3394.664 4479.04 8 h after dark 19654.93 13250.41 24264.18