WFO Denver/Boulder

             NATIONAL WEATHER SERVICE - DENVER, COLORADO
              TEMPERATURE NORMALS AND EXTREMES FOR MAY
                                   
     |NORMAL|RECORD| YEAR |RECORD| YEAR ||NORMAL|RECORD| YEAR |RECORD| YEAR |
DATE | HIGH | HIGH |  SET | HIGH |  SET ||  LOW |  LOW |  SET |  LOW |  SET |
     |      |      |      |  MIN |      ||      |      |      |  MAX |      |
-----|------|------|------|------|------||------|------|------|------|------|
  1  |  66  |  87  | 1992 |  55  | 1928 ||  38  |  23  | 1909 |  33  | 1954 |
  2  |  66  |  90  | 1879 |  58  | 1959 ||  38  |  19* | 2013 |  37  | 1907 |
  3  |  67  |  86  | 1949 |  59  | 1947 ||  38  |  19* | 1907 |  34  | 1898 |
  4  |  67  |  88  | 2012 |  58  | 1947 ||  39  |  27  | 1964 |  30  | 1908 |
  5  |  67  |  89  | 2000 |  60  | 1936 ||  39  |  27  | 1917 |  38  | 1908^|
                                    
  6  |  68  |  86  | 1963^|  60  | 1896 ||  39  |  23  | 1917 |  35  | 1978^|
  7  |  68  |  87  | 1989^|  61  | 1896 ||  40  |  23  | 1978 |  33  | 1885 |
  8  |  69  |  91  | 1895 |  60  | 1963^||  40  |  27  | 1885^|  39  | 1892 |
  9  |  69  |  89  | 1916 |  56  | 1934 ||  40  |  22  | 2002 |  35  | 1979 |
 10  |  69  |  86  | 1991^|  54  | 1906 ||  41  |  27  | 1946 |  31  | 1946 |
                                   
 11  |  70  |  90  | 1961 |  60  | 1963 ||  41  |  28  | 1946 |  39  | 1933 |
 12  |  70  |  90  | 1962 |  57  | 1958^||  41  |  23  | 1953 |  33  | 1953 |
 13  |  70  |  90  | 1915 |  63  | 1941 ||  42  |  23  | 2000 |  37  | 1912 |
 14  |  71  |  87  | 2013 |  59  | 1941^||  42  |  27  | 1912 |  43  | 1916 |
 15  |  71  |  89  | 1996 |  58  | 1936^||  42  |  29  | 1923 |  44  | 1923 |
                                   
 16  |  72  |  91  | 1996 |  60  | 2001 ||  43  |  30  | 1910 |  37  | 1957 |
 17  |  72  |  91  | 1964 |  60  | 1927 ||  43  |  29  | 1957 |  40  | 1983 |
 18  |  72  |  93  | 1996 |  61  | 1948 ||  43  |  25  | 1915 |  43  | 1943 |
 19  |  73  |  90  | 2009 |  62  | 1994 ||  44  |  25  | 1915 |  36  | 1915 |
 20  |  73  |  91  | 2005^|  60  | 1948 ||  44  |  30  | 1931^|  39  | 1931 |
                                   
 21  |  73  |  91  | 2006 |  59  | 1954 ||  44  |  31  | 2001^|  40  | 1891 |
 22  |  74  |  93  | 2012 |  58  | 1939^||  45  |  32  | 1930 |  47  | 1959^|
 23  |  74  |  93  | 1989 |  58  | 1914^||  45  |  31  | 2002 |  40  | 1995 |
 24  |  75  |  87  | 2005^|  62  | 1926^||  45  |  32  | 2002 |  48  | 2002^|
 25  |  75  |  91  | 1964 |  60  | 1964 ||  46  |  31  | 1950 |  45  | 1893 |
                                   
 26  |  75  |  95# | 1942 |  59  | 1969^||  46  |  32  | 1950 |  46  | 1996^|
 27  |  76  |  93  | 2006 |  59  | 2006^||  46  |  34  | 1950 |  46  | 1924 |
 28  |  76  |  93  | 1974 |  60  | 1943^||  47  |  32  | 1947 |  39  | 1947 |
 29  |  76  |  94  | 2003 |  66  | 1934 ||  47  |  32  | 1883 |  45  | 1924 |
 30  |  77  |  91  | 2002^|  60  | 1939 ||  47  |  32  | 1883 |  42  | 1964 |
 31  |  77  |  93  | 2002 |  61  | 2002 ||  48  |  33  | 1892 |  44  | 1917 |

The Normal High and Low Temperatures are calculated from 1981-2010 data.
          The Temperature Extremes range from 1872-2013.

 ^ - Also in previous years.

 # - Highest Temperature of the Month: 95 degrees on 5/26/1942.

 * - Lowest Temperature of the Month:  19 degrees on 5/3/1907, 5/2/2013.

 - The May Mean Temperature is 57.1 degrees (from 1981-2010 DIA data).

 - Data collected at the Downtown City Office from 1872-December 1949, then
   at the Stapleton Airport Office from January 1950-February 1995, then at
   Denver International Airport from March 1995-Present.  
 

UPDATED: 6/2/2013 - WFO BOU

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