Relative humidity (how close the air is to being saturated with water vapor) over land in 2013 compared to the 1981-2010 average. Shades of green indicate places where the air was up to 8 percent more saturated (wetter) than average, while rusty brown indicates the air was up to 8 percent less saturated (drier) than average. NOAA map Dan Pisut, based on HadISDH data. Adapted from Plate 2.1(g) in State of the Climate in 2013.