condition mean min max 4 h after light 1155.771111 1003.3 1296.75 8 h after light 1563.9244446666667 1367.576667 1752.556667 12 h after light 1477.68 1354.053333 1549.736667 1.5 h after dark 1651.69 1517.4 1725.536667 5.5 h after dark 1451.9955556666666 1304.596667 1584.293333 9.5 h after dark 1383.79 1166.15 1636.49