December Temperature and Precipitation Normals (1971-2000)
                       and Extremes for Houston (1927-2007)
                          (last updated 12/18/07)
                              
    --------------- TEMPERATURE ---------------------    ------ PRECIPITATION -----
     NORMAL   RECORD       LOW      RECORD     HIGH       RECORD    CUMULATIVE PCPN 
    MAX MIN  MAX YEAR      MAX     MIN YEAR    MIN         PCPN      DAILY  YEARLY 
    --------------------------------------------------   --------------------------                              
 1  68  46   82  1970    51 1974   26  1979   68 1982    1.32 1955    0.13  44.28 
 2  67  45   83  1978    48 1971   28  1979   74 1982    3.28 1971    0.26  44.41
 3  67  45   85  1995*   46 1971   29  1976   70 1995    2.13 1965    0.38  44.53
 4  67  45   83  1933    48 1971   31  1976   70 1998    2.55 1930    0.50  44.65
 5  67  45   83  1998    44 1984   28  1990   68 1998    2.17 1944    0.62  44.77
 
 6  66  44   81  1998*   49 1971   21  1950   68 1995    1.51 1979    0.74  44.89
 7  66  44   84  1998    47 1972   19  1950   68 1980    2.22 1935    0.86  45.01
 8  66  44   83  2007    37 2005   27  1976*  72 2007    2.99 1935    0.98  45.13
 9  66  44   82  2007    43 1978   26  1978   69 2007    2.52 1967    1.10  45.25
10  66  44   82  1939    48 1986   20  1978   67 1983    3.26 1964    1.22  45.37 
 
11  65  43   83  2007    44 1986   26  1957*  72 2007    1.67 2001    1.34  45.49
12  65  43   82  1948    39 2000   23  1957   64 1984    2.57 2002    1.46  45.61
13  65  43   81  1984*   41 1985   19  1989   68 1984    2.18 1977    1.58  45.73
14  65  43   82  1950    42 1960   25  1985   67 1984    5.64 2005    1.70  45.85
15  65  43   80  1990    44 1972   25  1952   69 1984    2.13 1959    1.82  45.97
 
16  64  43   82  1971    37 1989   19  1989   63 2006    1.17 1937    1.94  46.09
17  64  42   80  1984    37 1989   22  1972*  68 1984    2.52 1949    2.06  46.21
18  64  42   82  1980    39 1989   24  1996*  66 2006*   1.95 1995    2.18  46.33
19  64  42   81  1978    37 1983   22  1996   66 2006*   1.94 1953    2.31  46.46
20  64  42   81  1951    44 1973   26  1945   70 1967    2.02 1997    2.42  46.57
 
21  64  42   81  1970    37 1963   21  1973   66 1984    0.99 1942    2.53  46.68
22  63  42   81  1981*   33 1983   13  1989   68 1970    2.12 1986    2.64  46.79
23  63  42   80  1996*   28 1989    7  1989   66 1981    1.24 1945    2.75  46.90
24  63  42   82  1948    27 1983   11  1989   71 1982    2.04 1975    2.86  47.01
25  63  41   82  1964    28 1983   11  1983   64 1951    1.64 1982    2.98  47.13
 
26  63  41   79  1950    31 1983   18  1983   62 1968    2.47 1942    3.10  47.25
27  63  41   81  1971    40 1987   27  1972   62 1954    1.08 1934    3.22  47.37
28  63  41   80  1996    48 1983   30  1997*  69 1984    1.76 1960    3.34  47.49
29  63  41   81  1984    35 1983   22  1983   69 1984    0.86 1978    3.46  47.61
30  62  41   83  1974    42 1983   19  1983   68 1964    0.96 1936    3.58  47.73
 
31  62  41   82  1974    40 1976   18  1983   68 1951    1.30 1941    3.69  47.84

* indicates a record that has been tied on a previous year

DECEMBER Normals 
High:              64.6F
Low:               42.8F
Mean temperature:  53.7F 
Rainfall:          3.69"
Heating DD:          374 
Ccooling DD:          18