condition mean min max 4 h after light 11325.21506 11260.32674 11390.10338 8 h after light 9852.1363095 9423.575109 10280.69751 12 h after light 10016.7427395 9543.539749 10489.94573 4 h after dark 9976.241366999999 9418.481444 10534.00129 8 h after dark 9689.990752000002 9016.924364 10363.05714 12 h after dark 13059.64024 13059.64024 13059.64024