condition mean min max 4 h after light 1542.114 1376.765 1712.832 8 h after light 1353.879 1028.333 1722.5529999999999 12 h after light 1325.6286666666667 1101.323 1715.765 16 h after light 1919.015 1770.6029999999998 2114.385 4 h after dark 2298.5553333333332 2106.031 2512.665 8 h after dark 1477.5643333333335 1058.3980000000001 1787.254