Left Thermometer: Shows a temperature of -30°C. This likely represents the lowest temperature of the day as indicated by the problem statement that 6:00 AM had the lowest temperature.
Middle Thermometer: Shows a temperature of 20°C. This could represent an intermediate temperature during the day.
Right Thermometer: Shows a temperature of 40°C. This likely represents the highest temperature of the day, as the problem states that 12:00 PM had the highest temperature.