condition mean min max 4 h after light 1586.0 1586.0 1586.0 8 h after light 1598.0500000000002 1493.7 1702.4 12 h after light 1630.35 1461.1 1799.6 4 h after dark 1738.25 1631.9 1844.6 8 h after dark 1616.1999999999998 1613.6 1618.8 12 h after dark 1454.45 1329.7 1579.2