Washington's climate differs between west and east, divided by the Cascade
Mountain range. The west of the state tends to have sunny, humid summers,
and mild, very wet winters, averaging 27°C in summer and 9°C in the winter
months. The east is drier and experiences more extremes in summer and
winter. The western Cascades tend to receive some of the heaviest snowfall
in the USA and temperatures can drop to -13°C.
In 2000, English was the language spoken at home by 86% of Washington
residents five years old and older, down from 91% in 1990.
The United States dollar, denoted by USD or the symbol $, is the official
currency used in the United States. Commonly referred to as the "American
dollar," the currency is divided into 100 cents (symbol ¢).