Climates and Climate Graphs

Weather: the state of the atmosphere at a given time

and place

Climate: The usual pattern of weather in a particular place

Climate regions are determined by temperature and precipitation.

Factors which affect climate:

# 1 Elevation:Temperature decreases

with elevation.

3.5 degrees with each 1,000 feet

Mount Everest 29,028 feet

#2 Oceans:

Your distance from oceans.

Oceans regulate temperature.

# 3 Ocean currents

#4 Latitude: Your proximity to the

equator affects climate.

Climate Zones

Climate Graphs

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year

mm 34.4 29.0 32.7 38.2 51.0 65.6 81.5 71.8 57.7 50.4 44.1 42.4 600.6

Moscow, Russia 55 N, 37 EInland – Northern Hemisphere

Average Rainfall

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year°C -10 -9 -4.1 4.4 12.2 16.3 18.5 16.7 10.9 4.2 -2.0 -7.5 4.1

24-hr Average Temperature

Sydney, Australia 34 S, 151 ESouthern Hemisphere

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year

mm 103 111 131 129 123 129 102 80 69 82 81 78 1222.7

Average Rainfall

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year°C 22.1 22.1 21.0 18.4 15.3 12.9 12.0 13.2 15.3 17.7 19.5 21.2 17.6

24-hr Average Temperature

San Francisco, USA 37 N, 122 WCoast – Northern Hemisphere

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearmm 100.8 68.8 72.5 30.9 10.4 4.5 0.8 2.9 6.1 32.5 68.1 83.9 483.2

Average Rainfall

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year°C 10.1 11.5 11.7 12.3 13.0 14.0 14.7 15.3 15.8 15.2 12.8 10.4 13.1

24-hr Average Temperature

Which two are closest to the Equator?

FREETOWN, SIERRA LEONECAYENNE, FRENCH GUIANA

HIGH RAINFALL AND HIGH TEMPERATURES

Which two are inland in the Northern Hemisphere?

Galesburg, IllinoisDuluth, Minnesota

Seasons when we are used to them(Spring, Summer, Fall, Winter)

Fairly consistent rainfall

Which one is in the Southern Hemisphere?

Brisbane, Australia

Seasons OPPOSITE when we are used to them(Winter = June, July)

Significant rainfall only in a few months

Which one is on the coast in the Northern Hemisphere?

Key West, Florida

More moderate temperatures year-round

More moderate rainfall year-round