condition mean min max 4 h after light 2580.536666666667 1929.274 3241.677 8 h after light 1901.3760333333335 734.3101 3013.427 12 h after light 1436.96 1194.4 1736.944 16 h after light 4487.6939999999995 3568.8179999999998 5791.5419999999995 4 h after dark 4229.197666666666 4191.157999999999 4279.567 8 h after dark 4470.951999999999 4065.296 4732.686