http://www.sjsu.edu/faculty/watkins/cloudiness.htm http://www.sjsu.edu/faculty/watkins/cloudiness.htm sjsu.edu/faculty/watkins/cloudiness.htm http://www.sjsu.edu/faculty/watkins/cloudiness.htm http://www.sjsu.edu/faculty/watkins/cloudiness.htm The Net Effect of Cloudiness on Surface Temperatures http://www.sjsu.edu/faculty/watkins/cloudiness.htm