While checking a city and looking at annual
rainfall can be interesting, it may not be informative. For
instance, Houston, Texas gets 49 inches of rain annually, which is
more rain than Seattle, which gets only 38 inches of annual
rainfall. The key difference is Seattle has a relatively high amount
of days per year with relatively light rain, 158 vs. Houston with
104 rainy days. Seattle also has 226 cloudy days per year.