condition mean min max 4 h after light 1239.1 1239.1 1239.1 8 h after light 1329.0 1249.6 1408.4 12 h after light 1410.55 1376.5 1444.6 4 h after dark 1430.8000000000002 1295.7 1565.9 8 h after dark 1425.5 1194.8 1656.2 12 h after dark 1430.4 1421.2 1439.6