April Monthly Records    
Max Temps   Min Temps   Mean Temps   12M Temps   Temp Depart   Total Depart    
61.10   Apr 1976   34.06   Apr 1943   51.68   Apr 2010   50.84   Apr 2012   +4.32   Apr 1976   +137   Apr 1976    
60.37   Apr 2010   34.13   Apr 1972   50.92   Apr 1976   46.90   Apr 2010   +4.18   Apr 2010   +132   Apr 2010    
59.73   Apr 1941   34.73   Apr 1956   50.58   Apr 2012   46.43   Apr 2017   +3.90   Apr 1921   +126   Apr 1921    
59.17   Apr 1994   34.97   Apr 1975   50.23   Apr 1945   46.20   Apr 1985   +3.90   Apr 1910   +124   Apr 1910    
59.03   Apr 1951   35.16   Apr 1911   50.05   Apr 2017   46.07   Apr 1973   +3.31   Apr 2012   +107   Apr 2012    
58.83   Apr 1945   35.23   Apr 1907   50.03   Apr 1951   45.77   Apr 1991   +3.13   Apr 1945   +102   Apr 1945    
58.70   Apr 2012   35.26   Apr 1926   49.82   Apr 1941   45.77   Apr 1976   +2.98   Apr 1994   +97   Apr 1994    
58.53   Apr 1957   35.30   Apr 1982   49.60   Apr 1921   45.73   Apr 1962   +2.93   Apr 1951   +94   Apr 1951    
58.27   Apr 1991   35.53   Apr 1971   49.60   Apr 1910   45.70   Apr 1969   +2.75   Apr 2017   +91   Apr 2017    
58.10   Apr 1954   35.73   Apr 1992   49.58   Apr 1994   45.67   Apr 1981   +2.72   Apr 1941   +89   Apr 1941    
58.00   Apr 1977   35.73   Apr 1966   49.30   Apr 1952   45.63   Apr 1986   +2.60   Apr 1931   +85   Apr 1931    
58.00   Apr 1910   36.00   Apr 1967   49.27   Apr 2008   45.60   Apr 1987   +2.53   Apr 1991   +83   Apr 1991    
57.93   Apr 1981   36.03   Apr 2003   49.20   Apr 2002   45.60   Apr 1958   +2.35   Apr 1915   +77   Apr 1915    
57.90   Apr 1921   36.37   Apr 1965   49.13   Apr 1991   45.57   Apr 2009   +2.28   Apr 1981   +73   Apr 1981    
57.60   Apr 2008   36.40   Apr 1897   48.90   Apr 2009   45.43   Apr 2002   +2.20   Apr 1952   +72   Apr 1952    
57.40   Apr 2017   36.46   Apr 1917   48.88   Apr 1981   45.43   Apr 1960   +1.88   Apr 1938   +64   Apr 1903    
57.40   Apr 1952   36.56   Apr 1914   48.70   Apr 1957   45.37   Apr 2008   +1.88   Apr 1903   +64   Apr 1938    
57.37   Apr 1974   36.60   Apr 1893   48.52   Apr 1968   45.17   Apr 1954   +1.85   Apr 1985   +62   Apr 1985    
57.23   Apr 1968   36.66   Apr 1940   48.50   Apr 1949   45.10   Apr 1952   +1.77   Apr 2008   +61   Apr 1913    
57.23   Apr 1963   36.67   Apr 1950   48.45   Apr 1985   44.93   Apr 1968   +1.75   Apr 1913   +59   Apr 2008    
48.80   Apr 1907   43.00   Apr 2010   42.02   Apr 1907   38.23   Apr 1975   -4.37   Apr 1943   -123   Apr 1943    
49.56   Apr 1914   42.70   Apr 2017   42.73   Apr 1943   38.80   Apr 1950   -4.00   Apr 2003   -114   Apr 2003    
49.80   Apr 1916   42.46   Apr 2012   43.03   Apr 1911   39.33   Apr 1966   -3.80   Apr 1956   -107   Apr 1956    
50.20   Apr 1898   41.63   Apr 1945   43.07   Apr 1914   39.40   Apr 1956   -3.68   Apr 1907   -103   Apr 1907    
50.40   Apr 1917   41.50   Apr 2002   43.18   Apr 1972   39.57   Apr 1965   -3.58   Apr 1967   -98   Apr 1967    
50.70   Apr 1901   41.30   Apr 1921   43.20   Apr 1926   40.00   Apr 2003   -3.42   Apr 1972   -95   Apr 1972    
50.90   Apr 1911   41.20   Apr 1952   43.30   Apr 1956   40.27   Apr 1972   -3.28   Apr 1966   -90   Apr 1966    
50.97   Apr 2003   41.20   Apr 1910   43.35   Apr 1916   40.50   Apr 1967   -2.97   Apr 1965   -81   Apr 1965    
51.03   Apr 1967   41.03   Apr 1951   43.43   Apr 1917   40.63   Apr 1971   -2.88   Apr 1975   -80   Apr 1975    
51.06   Apr 1904   40.93   Apr 2008   43.50   Apr 2003   40.67   Apr 1979   -2.68   Apr 2007   -74   Apr 2007    
51.13   Apr 1926   40.90   Apr 2009   43.52   Apr 1967   40.97   Apr 1961   -2.67   Apr 1911   -73   Apr 1914    
51.36   Apr 1940   40.73   Apr 2011   43.72   Apr 1975   41.00   Apr 1995   -2.63   Apr 1914   -72   Apr 1911    
51.40   Apr 1943   40.73   Apr 1976   43.82   Apr 1966   41.23   Apr 1978   -2.58   Apr 1971   -69   Apr 1971    
51.63   Apr 1909   40.66   Apr 1902   43.85   Apr 1898   41.27   Apr 2007   -2.53   Apr 1950   -67   Apr 1944    
51.70   Apr 1947   40.60   Apr 1913   44.02   Apr 1971   41.47   Apr 1964   -2.50   Apr 1926   -67   Apr 1964    
51.70   Apr 1920   40.56   Apr 1949   44.02   Apr 1940   41.60   Apr 1996   -2.47   Apr 1964   -67   Apr 1950    
51.80   Apr 1895   40.53   Apr 1953   44.13   Apr 1965   41.60   Apr 1982   -2.47   Apr 1944   -66   Apr 1926    
51.87   Apr 1956   40.46   Apr 1915   44.18   Apr 1904   41.67   Apr 1992   -2.35   Apr 1916   -62   Apr 1916    
51.90   Apr 1966   40.27   Apr 1960   44.57   Apr 1950   42.00   Apr 1997   -2.27   Apr 1917   -60   Apr 1917    
51.90   Apr 1965   40.20   Apr 1983   44.60   Apr 1893   42.20   Apr 1993   -2.03   Apr 1947   -52   Apr 1947    
April Monthly Records    
Heating DD   Cooling DD   Liquid   % of Norm   Probability Liquid   Snow    
682   Apr 1907   13   Apr 1976   11.94   Apr 1983   288%   Apr 1983   57%   Apr 1953   9.6   Apr 1996    
661   Apr 1895   6   Apr 2002   8.59   Apr 1958   226%   Apr 1958   56%   Apr 1912   8.0   Apr 1982    
660   Apr 1943   4   Apr 2009   8.32   Apr 1904   207%   Apr 1904   53%   Apr 2000   8.0   Apr 1917    
652   Apr 1914   3   Apr 1935   7.58   Apr 1901   198%   Apr 1964   53%   Apr 1979   7.9   Apr 1915    
651   Apr 1911   2   Apr 1957   7.55   Apr 1964   189%   Apr 1901   53%   Apr 1947   5.5   Apr 1997    
646   Apr 1972   2   Apr 1952   7.39   Apr 2007   187%   Apr 1961   53%   Apr 1916   4.9   Apr 1911    
645   Apr 1926   1   Apr 2012   7.27   Apr 1913   181%   Apr 1913   50%   Apr 2011   4.6   Apr 2016    
644   Apr 1956   1   Apr 1942   7.11   Apr 1973   174%   Apr 2007   50%   Apr 1996   4.2   Apr 1916    
641   Apr 1916           7.11   Apr 1961   171%   Apr 1973   50%   Apr 1989   4.2   Apr 1898    
639   Apr 1917           6.82   Apr 1980   164%   Apr 1980   50%   Apr 1972   4.1   Apr 1938    
639   Apr 1894           6.49   Apr 2003   158%   Apr 1929   50%   Apr 1959   3.9   Apr 1893    
638   Apr 2003           6.36   Apr 1929   157%   Apr 1953   50%   Apr 1940   3.7   Apr 1950    
635   Apr 1967           6.30   Apr 2004   153%   Apr 1909   50%   Apr 1933   3.5   Apr 1958    
631   Apr 1975           6.17   Apr 2017   153%   Apr 2003   50%   Apr 1929   3.4   Apr 1924    
627   Apr 1966           6.14   Apr 1909   150%   Apr 1895   50%   Apr 1928   3.0   Apr 2003    
627   Apr 1898           6.11   Apr 1987   148%   Apr 2004   50%   Apr 1901   2.4   Apr 1974    
623   Apr 1940           6.07   Apr 1996   147%   Apr 1987   47%   Apr 2004   2.1   Apr 1957    
620   Apr 1971           6.01   Apr 1895   146%   Apr 1996   47%   Apr 1993   2.0   Apr 1992    
618   Apr 1965           5.99   Apr 1953   143%   Apr 1947   47%   Apr 1987   2.0   Apr 1907    
615   Apr 1904           5.70   Apr 1998   137%   Apr 1998   47%   Apr 1983   1.9   Apr 1973    
392   Apr 2010           0.78   Apr 1942   21%   Apr 1942   17%   Apr 1968   1.8   Apr 1990    
426   Apr 2012           1.19   Apr 1985   29%   Apr 1985   20%   Apr 1985   1.6   Apr 1894    
427   Apr 1976           1.27   Apr 1968   33%   Apr 1930   20%   Apr 1945   1.4   Apr 1956    
435   Apr 1945           1.31   Apr 1930   33%   Apr 1968   20%   Apr 1942   1.3   Apr 1909    
441   Apr 2017           1.35   Apr 1896   34%   Apr 1896   20%   Apr 1932   1.1   Apr 1942    
443   Apr 1951           1.38   Apr 1963   34%   Apr 2015   20%   Apr 1899   1.0   Apr 1953    
448   Apr 1941           1.45   Apr 1966   36%   Apr 1963   20%   Apr 1896   1.0   Apr 1904    
453   Apr 1921           1.55   Apr 2015   38%   Apr 1966   23%   Apr 2010   0.8   Apr 1921    
454   Apr 1994           1.72   Apr 1941   42%   Apr 1999   23%   Apr 1977   0.7   Apr 1918    
455   Apr 1910           1.73   Apr 1999   43%   Apr 1976   23%   Apr 1976   0.6   Apr 1972    
465   Apr 2008           1.80   Apr 1976   44%   Apr 2010   23%   Apr 1971   0.6   Apr 1954    
467   Apr 1952           1.85   Apr 2010   44%   Apr 2013   23%   Apr 1966   0.6   Apr 1929    
472   Apr 2002           1.85   Apr 1986   45%   Apr 1986   23%   Apr 1963   0.5   Apr 1926    
478   Apr 1981           1.91   Apr 1910   45%   Apr 1941   23%   Apr 1926   0.5   Apr 1913    
479   Apr 2009           1.98   Apr 1978   48%   Apr 1910   23%   Apr 1902   0.4   Apr 1935    
483   Apr 1957           1.98   Apr 1932   48%   Apr 1978   23%   Apr 1900   0.4   Apr 1922    
487   Apr 1991           1.99   Apr 2013   49%   Apr 1994   26%   Apr 1925   0.3   Apr 1989    
487   Apr 1968           2.04   Apr 1994   49%   Apr 1932   26%   Apr 1923   0.3   Apr 1979    
489   Apr 1985           2.06   Apr 1915   51%   Apr 1915   26%   Apr 1911   0.3   Apr 1970    
490   Apr 1949           2.11   Apr 1927   52%   Apr 1971   26%   Apr 1910   0.3   Apr 1962    
April Monthly Records    
% of Norm   Probability Snow   Average Wind   Average Gust   Sunshine %   Barometer    
1371%   Apr 1996   13%   Apr 1996   10.61   Apr 2000   29.6   Apr 1986   73%   Apr 2012   30.119   Apr 2013    
1233%   Apr 1950   10%   Apr 1938   10.16   Apr 1988   29.6   Apr 1962   70%   Apr 2010   30.089   Apr 2008    
1167%   Apr 1958   10%   Apr 1916   9.96   Apr 2003   29.3   Apr 1985   67%   Apr 1977   30.078   Apr 1899    
1143%   Apr 1982   10%   Apr 1911   9.84   Apr 2002   29.2   Apr 1982   67%   Apr 1925   30.073   Apr 2002    
800%   Apr 1917   10%   Apr 1907   9.67   Apr 1957   29.1   Apr 1963   63%   Apr 1999   30.070   Apr 1909    
790%   Apr 1915   7%   Apr 2016   9.43   Apr 1967   28.8   Apr 1988   63%   Apr 1997   30.065   Apr 1941    
786%   Apr 1997   7%   Apr 2003   9.38   Apr 1940   28.8   Apr 1956   63%   Apr 1941   30.058   Apr 2003    
700%   Apr 1957   7%   Apr 1989   9.35   Apr 1935   28.8   Apr 1955   63%   Apr 1930   30.048   Apr 2001    
490%   Apr 1911   7%   Apr 1982   9.31   Apr 1937   28.3   Apr 2013   63%   Apr 1927   30.045   Apr 1954    
467%   Apr 1956   7%   Apr 1979   9.23   Apr 2004   28.3   Apr 1983   63%   Apr 1926   30.044   Apr 1994    
460%   Apr 2016   7%   Apr 1972   9.16   Apr 1986   28.2   Apr 1993   60%   Apr 2013   30.040   Apr 1938    
429%   Apr 2003   7%   Apr 1957   9.15   Apr 1926   28.1   Apr 1984   60%   Apr 2008   30.038   Apr 1927    
420%   Apr 1916   7%   Apr 1956   9.13   Apr 1987   27.8   Apr 2011   60%   Apr 2005   30.035   Apr 1964    
420%   Apr 1898   7%   Apr 1950   9.13   Apr 1929   27.7   Apr 1981   60%   Apr 1945   30.029   Apr 2014    
410%   Apr 1938   6%   Apr 1929   8.98   Apr 1982   27.5   Apr 1978   60%   Apr 1942   30.014   Apr 1937    
390%   Apr 1893   6%   Apr 1924   8.91   Apr 1933   27.5   Apr 1958   60%   Apr 1934   30.013   Apr 2017    
367%   Apr 1942   6%   Apr 1915   8.86   Apr 1985   27.2   Apr 1975   60%   Apr 1931   30.009   Apr 1930    
343%   Apr 1974   6%   Apr 1904   8.83   Apr 1948   27.2   Apr 1961   60%   Apr 1928   30.008   Apr 1934    
340%   Apr 1924   6%   Apr 1898   8.81   Apr 1956   26.9   Apr 2000   60%   Apr 1922   30.007   Apr 1936    
333%   Apr 1953   6%   Apr 1893   8.80   Apr 1999   26.7   Apr 1990   57%   Apr 2014   30.006   Apr 2016    
286%   Apr 1992   3%   Apr 2014   5.93   Apr 1994   21.9   Apr 2008   23%   Apr 1987   29.680   Apr 1953    
271%   Apr 1973   3%   Apr 1997   6.19   Apr 1930   22.2   Apr 1968   23%   Apr 1966   29.708   Apr 1961    
257%   Apr 1990   3%   Apr 1995   6.29   Apr 2010   22.6   Apr 2010   27%   Apr 1983   29.770   Apr 1988    
200%   Apr 1954   3%   Apr 1992   6.47   Apr 1968   22.8   Apr 1972   27%   Apr 1976   29.781   Apr 1963    
200%   Apr 1907   3%   Apr 1990   6.54   Apr 1998   23.2   Apr 1998   27%   Apr 1974   29.788   Apr 1956    
160%   Apr 1894   3%   Apr 1987   6.64   Apr 2008   23.2   Apr 1950   27%   Apr 1965   29.805   Apr 1971    
130%   Apr 1909   3%   Apr 1975   6.67   Apr 1942   23.4   Apr 1992   30%   Apr 2000   29.809   Apr 1951    
100%   Apr 1970   3%   Apr 1974   6.76   Apr 1965   23.4   Apr 1976   30%   Apr 1993   29.811   Apr 1983    
100%   Apr 1962   3%   Apr 1973   6.87   Apr 1952   23.8   Apr 2001   30%   Apr 1971   29.814   Apr 1975    
100%   Apr 1946   3%   Apr 1971   6.98   Apr 1992   23.8   Apr 1973   30%   Apr 1964   29.829   Apr 1973    
100%   Apr 1904   3%   Apr 1970   6.99   Apr 2017   23.8   Apr 1970   30%   Apr 1961   29.838   Apr 1955    
86%   Apr 1972   3%   Apr 1962   7.05   Apr 1995   23.9   Apr 2003   30%   Apr 1960   29.839   Apr 1978    
80%   Apr 1921   3%   Apr 1961   7.05   Apr 1950   24.2   Apr 1995   30%   Apr 1955   29.853   Apr 1976    
70%   Apr 1918   3%   Apr 1958   7.11   Apr 1997   24.2   Apr 1994   30%   Apr 1953   29.855   Apr 2007    
67%   Apr 1961   3%   Apr 1954   7.12   Apr 2015   24.3   Apr 1966   33%   Apr 1992   29.859   Apr 1984    
67%   Apr 1947   3%   Apr 1953   7.18   Apr 2006   24.4   Apr 2017   33%   Apr 1988   29.862   Apr 1997    
60%   Apr 1929   3%   Apr 1947   7.21   Apr 2012   24.4   Apr 2002   33%   Apr 1986   29.863   Apr 1935    
50%   Apr 1926   3%   Apr 1946   7.21   Apr 1980   24.4   Apr 1969   33%   Apr 1980   29.866   Apr 1958    
50%   Apr 1913   3%   Apr 1942   7.23   Apr 2007   24.6   Apr 1991   33%   Apr 1979   29.866   Apr 1905    
43%   Apr 1989   3%   Apr 1940   7.25   Apr 1966   24.6   Apr 1974   33%   Apr 1972   29.868   Apr 1952    
April Monthly Records    
Max Dew Point   Min Dew Point   Mean Dew Point   Humidity   Wind Chill            
47.57   Apr 2017   20.53   Apr 1982   42.42   Apr 2017   81.0%   Apr 1901   25.73   Apr 1956            
46.53   Apr 1987   21.43   Apr 1963   40.68   Apr 2010   78.4%   Apr 1987   26.10   Apr 1982            
46.30   Apr 2008   22.87   Apr 1967   40.03   Apr 2011   77.0%   Apr 2017   26.28   Apr 1972            
46.00   Apr 2011   23.07   Apr 1975   38.80   Apr 2002   76.8%   Apr 1904   26.40   Apr 1975            
45.87   Apr 2010   23.83   Apr 1992   38.78   Apr 1987   76.5%   Apr 1933   27.60   Apr 1971            
45.40   Apr 2002   24.07   Apr 1965   38.73   Apr 2008   75.1%   Apr 1909   27.89   Apr 1966            
45.33   Apr 2009   24.10   Apr 1978   38.03   Apr 2009   74.7%   Apr 2011   28.00   Apr 1967            
44.60   Apr 1954   24.20   Apr 1972   37.95   Apr 1998   74.5%   Apr 1907   28.27   Apr 1992            
44.40   Apr 1994   24.27   Apr 1971   37.75   Apr 1983   73.4%   Apr 2000   28.37   Apr 2003            
44.23   Apr 2004   24.77   Apr 1950   37.37   Apr 1954   73.1%   Apr 1986   28.54   Apr 1965            
44.03   Apr 2012   24.97   Apr 1985   37.20   Apr 1955   73.1%   Apr 1900   29.11   Apr 1964            
43.97   Apr 2005   25.20   Apr 1999   37.20   Apr 1953   72.9%   Apr 1929   29.50   Apr 1979            
43.73   Apr 2006   25.43   Apr 1977   37.13   Apr 1973   72.6%   Apr 1903   29.54   Apr 1950            
43.50   Apr 1993   25.83   Apr 1968   37.12   Apr 1951   72.3%   Apr 2003   29.57   Apr 1995            
43.30   Apr 2000   25.90   Apr 1966   37.10   Apr 2000   72.1%   Apr 2004   29.73   Apr 1961            
43.27   Apr 1983   25.93   Apr 1995   37.08   Apr 1974   72.0%   Apr 1939   29.87   Apr 1989            
43.23   Apr 1986   26.43   Apr 1970   37.07   Apr 1993   71.9%   Apr 1945   30.00   Apr 1978            
43.17   Apr 2015   26.47   Apr 1961   37.03   Apr 1986   71.7%   Apr 1993   30.27   Apr 1963            
43.03   Apr 1973   26.57   Apr 1989   36.88   Apr 2004   71.7%   Apr 1938   30.70   Apr 1984            
42.97   Apr 1981   26.77   Apr 1962   36.87   Apr 2012   71.5%   Apr 2002   30.70   Apr 1977            
34.30   Apr 1965   37.27   Apr 2017   28.88   Apr 1975   55.9%   Apr 1963   40.77   Apr 2010            
34.70   Apr 1975   35.50   Apr 2010   28.92   Apr 1982   56.9%   Apr 1982   39.63   Apr 2017            
35.53   Apr 1967   33.97   Apr 2011   29.18   Apr 1965   57.8%   Apr 1978   39.56   Apr 2012            
35.87   Apr 1978   33.23   Apr 1998   29.20   Apr 1967   57.8%   Apr 1976   38.60   Apr 1986            
35.93   Apr 1966   32.97   Apr 1955   29.98   Apr 1978   59.1%   Apr 1968   37.70   Apr 2008            
35.97   Apr 1972   32.23   Apr 1983   30.00   Apr 1963   59.6%   Apr 1975   37.40   Apr 2011            
36.67   Apr 1971   32.20   Apr 2002   30.08   Apr 1972   60.0%   Apr 1977   37.30   Apr 2009            
37.00   Apr 1970   31.73   Apr 1953   30.47   Apr 1971   60.7%   Apr 1926   37.20   Apr 2006            
37.30   Apr 1982   31.63   Apr 1974   30.63   Apr 1992   60.8%   Apr 1981   36.13   Apr 2005            
37.43   Apr 1992   31.43   Apr 1951   30.92   Apr 1966   60.9%   Apr 1970   35.73   Apr 1999            
38.17   Apr 1956   31.27   Apr 1987   31.58   Apr 1950   61.4%   Apr 1965   35.53   Apr 2002            
38.20   Apr 1968   31.23   Apr 1973   31.72   Apr 1970   62.1%   Apr 2012   35.47   Apr 2014            
38.40   Apr 1950   31.17   Apr 2008   32.02   Apr 1968   62.6%   Apr 1971   35.33   Apr 2013            
38.57   Apr 1963   30.90   Apr 2000   32.55   Apr 1977   62.7%   Apr 1999   35.23   Apr 1952            
38.70   Apr 1979   30.83   Apr 1986   32.75   Apr 1961   62.7%   Apr 1985   35.07   Apr 2015            
39.03   Apr 1989   30.73   Apr 2009   32.80   Apr 1989   62.9%   Apr 1957   34.95   Apr 1951            
39.03   Apr 1961   30.67   Apr 1960   32.83   Apr 1956   62.9%   Apr 1930   34.86   Apr 1976            
39.50   Apr 2003   30.63   Apr 1993   32.95   Apr 1985   63.2%   Apr 1927   34.13   Apr 2016            
39.67   Apr 1977   30.50   Apr 1991   33.17   Apr 1995   63.3%   Apr 1962   33.93   Apr 1953            
39.67   Apr 1964   30.50   Apr 1952   33.45   Apr 1979   64.0%   Apr 1992   33.83   Apr 1998            
                                                 
Updated:  May 1, 2017    
     
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