21.   But in fall, when days shorten and temperatures fall, chlorophyll starts to break down and leaves lose their green color.

22.   Dunlap had to sit and wait as the temperature fell.

23.   Further inland, temperatures fall below freezing at night.

24.   If the temperature falls to zero or below, the room is free.

25.   In a typical November, the temperature falls below zero twice in Fargo.

26.   In the Northern Plains, temperatures will fall during the day, as bitter winds from the north develop.

27.   Mixed rain and snow showers will dampen the lower Great Lakes as temperatures slowly fall during the day.

28.   Moreover, the temperature did not fall below zero in January.

29.   Now that temperatures are falling toward more seasonable levels, retail executives are hoping the gusts of cold air will send shoppers scrambling to the stores.

30.   On a clear and calm night, the snow aids in the process that radiates energy away from the earth, allowing temperatures to fall more sharply.