condition mean min max 4 h after light 1686.4 1686.4 1686.4 8 h after light 2091.3 1419.0 2763.6 12 h after light 2296.1 1986.3 2605.9 4 h after dark 1692.1 1503.8 1880.4 8 h after dark 1403.6999999999998 1243.3 1564.1 12 h after dark 1420.1 1346.5 1493.7