Table : TABLE 6.1 Weather and Climate

PHENOMENA

TEMPORAL SCALE

WEATHER OR CLIMATE?

Cloudiness, rain shower, rainbow, sea breeze, tornado

Hours

Weather

Night-and-day temperature difference

Days

Weather

Hurricane, midlatitude cyclone

Weeks

Weather

Winter, hurricane season, drought

Months

Climate

Asian monsoon

One year

Climate

El Niño and La Niña

Years to decades

Climate

Younger Dryas*

1,000 to 10,000 years

Climate

Quaternary* glacial and interglacial cycles

10,000 to 1,000,000 years

Climate

Cenozoic* cooling

Millions of years

Climate

*These terms will be defined in Section 6.2.