condition mean min max 4 h after light 1383.3954290000001 1065.792522 1700.998336 8 h after light 1468.2459795 1151.56864 1784.923319 12 h after light 1365.1984475 1269.342142 1461.054753 4 h after dark 1254.8993585 986.874353 1522.924364 8 h after dark 1245.6574805 1101.738797 1389.576164 12 h after dark 1330.714652 1330.714652 1330.714652