Diurnal Temperature Range

• The difference between the high and low temperature each day is called the diurnal temperature range (DTR).
• Several factors affect the DTR including cloud cover, precipitation, humidity, soil type and nearness to water.
• The largest DTRs occur in high deserts. For example, cities in Nevada can have a range of over 40°F in summer months.

Above: Reno, Nevada | Source: Steven Frame/Bigstock.com