|-----Normals 1991-2020------| |--------- Record Temperatures ---------|
     Temperature   Precipitation     Hi        Lo        Hi        Lo
Day  Mx/Mn  Mean  Day  Month  Year   Max Year  Max Year  Min Year  Min Year    Day

 1   57/35   46  0.12  0.12  43.98   78  1883  33  1955  57  1933  15  2006    1 
 2   57/35   46  0.12  0.24  44.10   78 *2021  29  1929  57 *2012  15  1985    2 
 3   57/35   46  0.12  0.36  44.22   80  2012  30  1893  59  1920  15  1895    3 
 4   56/35   46  0.12  0.48  44.34   79  2001  25  1886  56  1998  14  1897    4 
 5   56/34   45  0.12  0.60  44.46   79  1998  32  1886  59  1956   8  1886    5 
 
 6   56/34   45  0.11  0.71  44.57   77  1932  19  1950  66  1966   9  1950    6 
 7   55/34   45  0.12  0.83  44.69   81  1966  24  1950 (70) 1966   6  1950    7 
 8   55/34   45  0.11  0.94  44.80   80  1991  21  1917  65  1918   3  1917    8 
 9   55/33   44  0.11  1.05  44.91   75  1940  24  1937  58  1946   2  1917    9 
10   55/33   44  0.11  1.16  45.02   80  2021  22  1917  57  1965   7  1917   10 
 
11   54/33   44  0.11  1.27  45.13   77  1949  27  1972  61  1965  15  1917   11 
12   54/33   44  0.12  1.39  45.25   75 *2015  23  1962  60  1929  13 *2000   12 
13   54/33   44  0.12  1.51  45.37   80  1948  24  1917  63  1929  10  1917   13 
14   53/32   43  0.11  1.62  45.48   76  1889  24  1914  61  1929   6  1958   14 
15   53/32   43  0.11  1.73  45.59   79 *2021  20  1901  62  2021   1  1916   15 
 
16   53/32   43  0.11  1.84  45.70   77  1924  22  1932  62  2006   5  1989   16 
17   53/32   43  0.11  1.95  45.81   77  1908  26  1901  60  1895   9  1901   17 
18   53/32   43  0.11  2.06  45.92   74  1889  26  1909  59  1895   8  1964   18 
19   52/32   42  0.11  2.17  46.03   77  1978  18  1924  52  1889   7  1929   19 
20   52/31   42  0.11  2.28  46.14   71  1949  21  1983  59  1949   8  1901   20 
 
21   52/31   42  0.11  2.39  46.25   76  1889  21  1916  54  1923   4  1989   21 
22   52/31   42  0.12  2.51  46.37   73  1996  16  1989  59  1996   1  1989   22 
23   52/31   42  0.11  2.62  46.48   75  1889  18  2022  56  1904 (-5) 1989   23 
24   51/31   41  0.12  2.74  46.60   80  1955  (8) 1983  57  1893   0  1983   24 
25   51/31   41  0.11  2.85  46.71   77  2021  10  1983  61  1889  -1  1983   25 
 
26   51/31   41  0.11  2.96  46.82   79  1889  19  1892  58  1942   2  1892   26 
27   51/31   41  0.11  3.07  46.93   76 *2005  23  1894  61  1907   8  1892   27 
28   51/30   41  0.10  3.17  47.03   74  1928  23  1894  57 *2019   3  1894   28 
29   51/30   41  0.10  3.27  47.13   77  1984  24  1917  64  1984   5  1983   29 
30   51/30   41  0.11  3.38  47.24   79  1951  27  1983  59  1992   2  1983   30 
 
31   51/30   41  0.10  3.48  47.34  (82) 1951  21  1927  66  1951   6  1927   31

* Indicates occurrences in previous years    ( ) Indicates monthly extremes

December Monthly Normals 1991-2020:

Normal Max Temperature:   53.3F    Monthly Heating Degree Days:       689 
Normal Min Temperature:   32.3F    Season Total Heating Degree Days: 1236 
Normal Mean Temperature:  42.8F    Monthly Cooling Degree Days:         1 
Normal Monthly Rainfall:  3.48"    Season Total Cooling Degree Days: 2177 
Normal Monthly Snowfall:   0.6" 
 
December Monthly Records:

Warmest Month:  57.8F in 1889      Wettest Month: 10.81" in 2015 
Coolest Month:  28.9F in 1983      Driest Month:   0.09" in 1908 
                                   Most Snowfall:   8.3" in 1916

(Monthly normals are computed by adding all of the daily mean data
 and then dividing by the number of days in the month)