condition mean min max 4 h after light 1562.4 1562.4 1562.4 8 h after light 2027.75 1776.2 2279.3 12 h after light 2332.1 2255.5 2408.7 4 h after dark 2355.95 2279.2 2432.7 8 h after dark 2079.4 1654.4 2504.4 12 h after dark 1864.25 1583.7 2144.8