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

2. Temperature Records and Controls

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

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

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

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

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

8. Annual Temperature Range
Highest Monthly Mean
Lowest Monthly Mean -

9. Lines of Equal Temperature
Isotherms
Lines of Equal Temperature

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

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

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

14. 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

15. 4 Reasons Specific Heat Land is opaque, water is transparent
Water mixes
Evaporation

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

17. 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

18. Where in the World?
Wind
windward
leeward

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

20. Which city will be cooler in the summer?
Wind

21. Cooler

22. Warmer

23. Warmer

24. Cooler

25. 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