Temperatures for February 27 High: 58° F Low: 25° F Average High: 45° F Average Low: 23° F

Temperature Records and Controls

For the Record… We record the daily maximum and minimum temperatures and analyze them in a few ways Doesn’t this sound strangely familiar…?

Daily Mean Temperature Daily Max Daily Min 58 + 25 = 41.5° F 2 Daily Mean Temperature

Daily Range 58 - 25 = 33 Daily Max Daily Min Daily Range

Sum of All Daily Means # of Days in Month Monthly Mean Sum of All Daily Means # of Days in Month

Sum of All Monthly Means Annual Mean Sum of All Monthly Means 12

Annual Temperature Range Highest Monthly Mean Lowest Monthly Mean -

Lines of Equal Temperature Isotherms Lines of Equal Temperature

Any factor that causes temperature to vary from place to place Temperature Controls Any factor that causes temperature to vary from place to place

More direct rays on locations closer to the equator Latitude Caribou, ME More direct rays on locations closer to the equator Brownsville, TX

So why are they different? London Edmonton Same latitude... So why are they different?

Why do the Temperatures in London and Edmonton differ so much? WATER!!! Think about it – The ocean is much cooler in the summer than the beach

4 Reasons Specific Heat Land is opaque, water is transparent Water mixes Evaporation

It’s all about the water!!! London Edmonton

Why is there snow on mountain tops, even in summer? Remember Environmental Lapse Rate? 3.5°F/1,000 ft Or 6.5°C/1,000 ft

Where in the World? Wind windward leeward

Which city will be warmer in the winter? Wind ----- Meeting Notes (2/28/12 11:57) ----- start here

Which city will be cooler in the summer? Wind

Cooler

Warmer

Warmer

Cooler

Grab a Partner! Compare your cities and Downingtown. Use what you’ve learned today to help you decide why your temperatures differ or why they are the same. Keep in mind the different temperature controls that would affect your city. Due FRIDAY 3/2