May Monthly Records    
Max Temps   Min Temps   Mean Temps   12M Temps   Temp Dep   Total Dep    
71.35   May 1991   42.00   May 1967   60.53   May 1991   55.97   May 1991   +4.83   May 1991   +154   May 1991    
69.45   May 1955   42.55   May 1956   59.90   May 2010   55.48   May 2012   +3.80   May 2010   +115   May 1993    
69.38   May 1944   43.74   May 1917   59.50   May 2012   55.29   May 2010   +3.53   May 1993   +107   May 2012    
68.90   May 1993   43.74   May 1907   59.23   May 1993   54.97   May 1985   +3.20   May 2012   +101   May 1944    
68.83   May 1918   44.55   May 2005   59.16   May 1944   54.90   May 1979   +2.98   May 1975   +100   May 2010    
68.58   May 1922   44.84   May 1992   59.16   May 1918   54.58   May 1959   +2.96   May 1944   +99   May 1975    
68.55   May 1959   45.13   May 1966   58.97   May 1933   54.23   May 2001   +2.86   May 1918   +98   May 1918    
68.29   May 2010   45.38   May 1923   58.94   May 1904   54.16   May 1986   +2.78   May 1979   +92   May 1979    
68.16   May 1933   45.39   May 2003   58.71   May 2015   54.10   May 2011   +2.67   May 1933   +92   May 1933    
68.10   May 1957   45.41   May 1920   58.71   May 1959   53.87   May 1965   +2.64   May 1904   +90   May 1904    
67.94   May 1980   45.74   May 1996   58.68   May 1975   53.84   May 1989   +2.51   May 1959   +87   May 1959    
67.74   May 1934   45.77   May 1926   58.63   May 1922   53.84   May 1960   +2.49   May 1998   +85   May 1980    
67.71   May 2015   45.84   May 1963   58.52   May 1942   53.81   May 1987   +2.49   May 1980   +84   May 1942    
67.64   May 1931   46.06   May 1972   58.48   May 2001   53.81   May 1964   +2.41   May 2015   +83   May 1998    
67.54   May 1937   46.10   May 1950   58.48   May 1979   53.75   May 2015   +2.33   May 1922   +81   May 2015    
67.45   May 1941   46.19   May 1994   58.44   May 1955   53.65   May 1975   +2.32   May 1942   +81   May 1955    
67.35   May 1939   46.23   May 1974   58.42   May 1937   53.48   May 1970   +2.24   May 1955   +79   May 1922    
67.29   May 1942   46.35   May 1997   58.35   May 1931   53.35   May 1957   +2.12   May 1937   +74   May 1937    
67.26   May 2001   46.35   May 1913   58.29   May 1934   53.23   May 2007   +2.05   May 1931   +71   May 1934    
67.19   May 1964   46.39   May 1995   58.19   May 1998   53.23   May 1980   +1.99   May 1934   +70   May 1931    
57.67   May 1917   52.77   May 2012   50.47   May 1967   46.19   May 1967   -5.73   May 1967   -171   May 1967    
58.29   May 2005   51.64   May 1904   50.71   May 1917   47.68   May 1956   -5.60   May 2005   -165   May 2005    
58.51   May 1907   51.52   May 2010   51.13   May 1907   47.81   May 2005   -5.59   May 1917   -165   May 1917    
58.94   May 1967   50.97   May 1979   51.40   May 2005   48.13   May 1950   -5.17   May 1907   -150   May 1907    
60.19   May 1966   50.71   May 2011   52.34   May 1956   48.74   May 2003   -3.94   May 2003   -112   May 2003    
60.74   May 2003   50.32   May 1998   52.66   May 1966   49.16   May 1996   -3.86   May 1956   -112   May 1956    
61.22   May 1948   50.23   May 1975   53.06   May 2003   49.32   May 1995   -3.54   May 1966   -101   May 1966    
61.29   May 1945   49.81   May 2009   53.89   May 1920   49.35   May 1997   -2.41   May 1920   -70   May 1920    
61.58   May 1997   49.80   May 1908   53.90   May 1950   49.58   May 1994   -2.30   May 1950   -62   May 1950    
61.68   May 1974   49.77   May 1933   53.92   May 1963   49.65   May 1974   -2.28   May 1963   -55   May 1958    
61.71   May 1958   49.74   May 1942   53.95   May 1974   49.94   May 1966   -2.12   May 1945   -55   May 1945    
61.71   May 1950   49.71   May 2015   53.97   May 1997   50.16   May 1954   -2.04   May 1913   -53   May 1913    
61.96   May 1915   49.71   May 2001   54.08   May 1945   50.48   May 1990   -1.97   May 1958   -50   May 1974    
62.00   May 1963   49.71   May 1991   54.23   May 1958   50.55   May 1952   -1.85   May 1915   -49   May 2008    
62.00   May 1909   49.61   May 1894   54.26   May 1913   50.58   May 1958   -1.84   May 2002   -49   May 2002    
62.03   May 1901   49.55   May 1993   54.40   May 1995   50.61   May 2008   -1.80   May 1961   -49   May 1915    
62.06   May 1924   49.48   May 1918   54.40   May 1961   50.61   May 1992   -1.75   May 1974   -46   May 1924    
62.06   May 1898   49.35   May 2006   54.45   May 1915   50.65   May 1978   -1.75   May 1924   -45   May 1961    
62.13   May 1956   49.29   May 1937   54.55   May 1924   50.74   May 1968   -1.73   May 1997   -44   May 1997    
62.16   May 1913   49.26   May 1989   54.63   May 1948   50.84   May 1981   -1.57   May 1948   -41   May 1948    
May Monthly Records    
Heating DD   Cooling DD   Liquid   % Of Norm   POP   Snow    
445   May 1967   46   May 1991   9.19   May 1948   268%   May 1948   58%   May 2016   1.7   May 1977    
435   May 1917   33   May 1931   8.99   May 1984   244%   May 1984   58%   May 1984   T   May 1995    
420   May 1907   32   May 1929   8.33   May 1967   243%   May 1967   55%   May 2009   T   May 1941    
414   May 2005   28   May 1987   7.57   May 1898   230%   May 1898   55%   May 1979   T   May 1917    
391   May 1956   28   May 1903   6.99   May 2006   209%   May 1901   55%   May 1958   T   May 1898    
375   May 1966   27   May 2001   6.95   May 2002   194%   May 2006   54%   May 1948            
361   May 2003   24   May 2012   6.87   May 1901   193%   May 2002   54%   May 1947            
340   May 1920   22   May 2011   6.86   May 1972   186%   May 1972   54%   May 1898            
338   May 1974   22   May 2007   6.59   May 1978   179%   May 1978   52%   May 2005            
337   May 1963   22   May 1975   6.43   May 1979   175%   May 1979   52%   May 1994            
336   May 1950   20   May 2010   6.03   May 2017   173%   May 1954   52%   May 1990            
331   May 1997   20   May 1914   5.92   May 1954   168%   May 2017   52%   May 1983            
331   May 1996   19   May 2016   5.75   May 1985   162%   May 1917   52%   May 1973            
330   May 1945   18   May 1996   5.61   May 1989   156%   May 2012   48%   May 2017            
329   May 1958   18   May 1939   5.59   May 2012   156%   May 1985   48%   May 2012            
323   May 1913   18   May 1921   5.33   May 1917   154%   May 1940   48%   May 2006            
322   May 1995   17   May 1986   5.17   May 1990   152%   May 1989   48%   May 1974            
320   May 1961   16   May 2017   5.06   May 1940   147%   May 1919   48%   May 1956            
319   May 1915   15   May 2013   4.98   May 1966   145%   May 1966   48%   May 1943            
316   May 1948   15   May 1992   4.95   May 1961   144%   May 1922   48%   May 1927            
169   May 2010   15   May 1944   .35   May 2015   10%   May 2015   12%   May 1944            
173   May 1993   14   May 1957   .57   May 1939   17%   May 1939   13%   May 2015            
175   May 2012   13   May 1981   .86   May 1944   25%   May 1944   16%   May 1923            
179   May 1991   13   May 1977   .93   May 1957   27%   May 1993   19%   May 1977            
179   May 1918   13   May 1959   .97   May 1964   27%   May 1957   19%   May 1964            
183   May 1904   12   May 1941   .97   May 1903   28%   May 1964   19%   May 1959            
188   May 1944   12   May 1930   .98   May 1993   30%   May 1903   19%   May 1939            
189   May 1933   11   May 2006   1.12   May 1902   34%   May 1902   19%   May 1922            
190   May 1955   11   May 1962   1.16   May 1923   34%   May 1992   19%   May 1921            
192   May 2015   11   May 1955   1.26   May 1992   35%   May 1923   19%   May 1903            
197   May 1922   11   May 1942   1.29   May 1928   39%   May 1928   22%   May 1926            
200   May 1959   11   May 1933   1.43   May 1956   42%   May 1956   23%   May 1981            
201   May 1942   10   May 1998   1.52   May 1935   46%   May 1935   23%   May 1965            
202   May 1979   10   May 1965   1.52   May 1911   46%   May 1911   25%   May 1942            
205   May 1937   10   May 1951   1.61   May 1905   47%   May 1980   25%   May 1914            
205   May 1934   9   May 1999   1.71   May 1980   47%   May 1981   25%   May 1906            
208   May 1980   9   May 1937   1.73   May 1936   49%   May 1986   25%   May 1900            
210   May 1975   9   May 1936   1.74   May 1981   49%   May 1905   25%   May 1899            
211   May 1894   9   May 1906   1.80   May 1986   53%   May 1936   26%   May 2010            
214   May 1998   8   May 1969   1.82   May 1965   53%   May 1965   26%   May 2001            
May Monthly Records    
Average Wind   Avg Gust   Sunshine %   Barometer    
9.28   May 1985   29.4   May 1985   77%   May 1929   30.115   May 2015    
8.94   May 1957   29.1   May 1984   74%   May 1925   30.111   May 1903    
8.90   May 1986   28.4   May 1964   71%   May 1944   30.084   May 2007    
8.69   May 1929   28.0   May 1986   71%   May 1939   30.066   May 1942    
8.61   May 2002   27.6   May 1956   71%   May 1936   30.057   May 1999    
8.46   May 1984   27.1   May 1963   71%   May 1923   30.052   May 2013    
8.41   May 1956   26.8   May 1961   68%   May 2010   30.052   May 1992    
8.26   May 1936   26.8   May 1958   68%   May 1957   30.050   May 2004    
8.13   May 2001   26.4   May 1962   68%   May 1926   30.050   May 1929    
8.10   May 1932   25.9   May 1959   65%   May 1999   30.049   May 1996    
8.07   May 1972   25.4   May 1988   65%   May 1997   30.041   May 1899    
8.01   May 1935   25.4   May 1983   65%   May 1942   30.038   May 2012    
8.00   May 2003   25.3   May 1981   61%   May 1964   30.034   May 2001    
7.95   May 2000   25.1   May 1989   61%   May 2007   30.029   May 2002    
7.93   May 1988   25.0   May 1954   61%   May 1941   30.027   May 2009    
7.91   May 1978   24.9   May 1990   61%   May 1935   30.027   May 1987    
7.90   May 1961   24.8   May 1994   61%   May 1931   30.023   May 1932    
7.84   May 1964   24.5   May 1957   61%   May 1922   30.023   May 1931    
7.81   May 1930   24.4   May 2002   58%   May 2008   30.018   May 1936    
7.80   May 1948   24.3   May 2014   58%   May 2001   30.016   May 1970    
4.25   May 1996   18.9   May 1998   16%   May 1968   29.779   May 1952    
4.89   May 2012   19.0   May 2012   19%   May 1983   29.795   May 1951    
4.92   May 1993   19.2   May 1993   23%   May 1974   29.822   May 1980    
5.10   May 2007   20.4   May 2004   23%   May 1973   29.827   May 1954    
5.13   May 1944   20.6   May 1968   26%   May 2017   29.831   May 1953    
5.45   May 2009   20.7   May 1953   26%   May 2011   29.833   May 2008    
5.45   May 1942   21.0   May 1975   26%   May 1971   29.841   May 1973    
5.49   May 2010   21.1   May 1950   26%   May 1967   29.843   May 1998    
5.63   May 1994   21.3   May 2003   29%   May 1979   29.843   May 1971    
5.73   May 1995   21.5   May 2015   29%   May 1975   29.855   May 1985    
5.73   May 1950   21.5   May 1982   29%   May 1966   29.860   May 2006    
5.76   May 1982   21.5   May 1973   29%   May 1958   29.861   May 1955    
5.80   May 1997   21.5   May 1960   32%   May 2012   29.862   May 1926    
5.85   May 1953   21.6   May 1996   32%   May 1982   29.867   May 1997    
5.87   May 1998   21.8   May 2009   32%   May 1972   29.876   May 1981    
5.94   May 2016   21.9   May 1999   32%   May 1970   29.877   May 1976    
5.98   May 1991   21.9   May 1995   32%   May 1953   29.880   May 1967    
6.07   May 2015   21.9   May 1992   36%   May 2003   29.880   May 1901    
6.07   May 2014   21.9   May 1971   36%   May 1990   29.886   May 1974    
6.07   May 1965   22.0   May 2017   36%   May 1988   29.886   May 1968    
May Monthly Records    
Max Dew Point   Min Dew Point   Mean Dew Point   Humidity                    
58.06   May 2012   31.10   May 1967   53.53   May 2012   82.5%   May 2011                    
57.06   May 2004   33.74   May 1956   52.44   May 2011   81.8%   May 1948                    
56.77   May 2011   35.10   May 1966   51.06   May 1998   80.5%   May 2012                    
56.13   May 1998   35.55   May 1968   50.24   May 2004   79.7%   May 1949                    
55.71   May 2015   36.32   May 1992   50.05   May 2015   79.4%   May 2004                    
55.58   May 2010   36.39   May 1963   50.02   May 2010   78.9%   May 1973                    
54.87   May 1979   36.52   May 1957   49.53   May 1979   78.8%   May 1940                    
54.71   May 2013   36.81   May 1994   49.30   May 2006   78.8%   May 1901                    
54.71   May 2009   36.97   May 1997   49.23   May 2013   78.4%   May 1988                    
54.39   May 2006   37.16   May 1974   49.05   May 1953   78.2%   May 1998                    
54.16   May 2016   37.32   May 1952   49.03   May 2009   77.9%   May 2009                    
53.71   May 1953   37.39   May 1958   48.94   May 2016   77.8%   May 2006                    
53.52   May 1991   37.42   May 1962   48.69   May 1973   77.8%   May 1900                    
53.48   May 1999   37.74   May 1987   48.34   May 1991   77.5%   May 2003                    
53.19   May 2000   37.81   May 1969   48.13   May 1988   77.4%   May 2005                    
53.16   May 1988   37.81   May 1961   48.10   May 1999   77.4%   May 1942                    
53.03   May 1973   37.84   May 1977   48.06   May 1975   77.2%   May 1899                    
52.84   May 1993   37.97   May 1950   48.05   May 1993   76.7%   May 1907                    
52.84   May 1975   38.10   May 1965   47.97   May 2000   76.7%   May 1905                    
52.77   May 1984   38.52   May 1986   47.87   May 1960   76.6%   May 1904                    
41.97   May 1967   49.00   May 2012   36.55   May 1967   60.6%   May 1957                    
45.65   May 1968   48.10   May 2011   40.05   May 1956   60.9%   May 1977                    
46.35   May 1956   46.00   May 1998   40.60   May 1968   62.5%   May 1952                    
46.65   May 1966   44.45   May 2010   40.87   May 1966   62.9%   May 1959                    
47.26   May 1952   44.39   May 2015   42.29   May 1952   64.0%   May 1965                    
47.74   May 1987   44.39   May 1953   42.45   May 1992   64.0%   May 1930                    
48.58   May 1992   44.35   May 1973   42.56   May 1963   64.2%   May 1964                    
48.65   May 1950   44.23   May 2006   42.74   May 1987   64.7%   May 1993                    
48.74   May 1963   44.19   May 1979   43.26   May 1957   64.7%   May 1926                    
49.23   May 1958   43.74   May 2013   43.31   May 1958   65.3%   May 1992                    
49.39   May 1969   43.71   May 2016   43.31   May 1950   65.5%   May 1980                    
49.45   May 1978   43.42   May 2004   43.39   May 1974   65.7%   May 1941                    
49.45   May 1965   43.35   May 2009   43.60   May 1969   65.9%   May 1968                    
49.52   May 1961   43.29   May 1975   43.61   May 1997   66.0%   May 1963                    
49.58   May 2003   43.26   May 1993   43.66   May 1961   66.1%   May 1967                    
49.61   May 1974   43.26   May 1989   43.77   May 1965   66.2%   May 1956                    
49.74   May 1954   43.16   May 1991   43.87   May 1977   66.8%   May 1991                    
49.84   May 1990   43.10   May 1988   43.89   May 1994   66.9%   May 2007                    
49.90   May 1977   43.10   May 1960   43.95   May 1962   67.3%   May 1944                    
50.00   May 1957   42.87   May 1955   44.42   May 1986   67.5%   May 1976                    
Updated:  June 1, 2017    
     
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