Lapse Rate - Tucson Feb, May, Aug 2000

The data is collected at 00:00 UTC and 12:00 UTC of each day. For Tucson, AZ, (UTC -7:00) that corresponds to 5:00 pm and 5:00 am respectively ... ignoring daylight savings time.
                Surface temperatures
               Morning      Afternoon
               C     F       C     F
    02-15     7.8  46.0    26.7  80.1 
    05-15    18.3  64.9    37.2  99.0 
    08-14    23.9  75.0    36.7  98.1