Reference

We would expect, on average, one year in every five to be below the 20th percentile value, and one year in every five to be above the 80th percentile value.

The contiguous U.S. average annual precipitation was 30.28 inches, which is 0.34 inches above the long-term average, ranking in the middle third of the ...

The higher parts of the Lake District are particularly wet, with an average of over 3200mm of rain each year. In contrast, the reputedly wet ...