condition mean min max 4 h after light 2105.752778 2014.866667 2255.565 8 h after light 2405.4672219999998 2372.113333 2459.873333 12 h after light 2442.4411113333335 2249.32 2613.176667 1.5 h after dark 2201.5544446666668 2109.486667 2367.72 5.5 h after dark 2060.955555666667 1926.556667 2225.67 9.5 h after dark 2008.7522223333333 1804.79 2246.316667