January Temperature and Precipitation Normals (1971-2000)
                       and Extremes for Houston (1889-2009)
                                (last updated 1/6/09)
                              
    -------------- TEMPERATURE -------------------   ----- PRECIPITATION -----
     NORMAL   RECORD      LOW     RECORD    HIGH      RECORD   CUMULATIVE PCPN 
    MAX MIN  MAX YEAR     MAX    MIN YEAR   MIN        PCPN     DAILY  YEARLY 
    ----------------------------------------------   -------------------------                              
 1  62  41   81  2006   25 1928  18  1928  70 1952   3.12 1950   0.12  0.12 
 2  62  41   81  2000   32 1919  16  1928  69 2000   2.26 1991   0.24  0.24
 3  62  41   83  2009*  32 1911  16  1911  69 1950   3.44 1890   0.36  0.36
 4  62  41   79  1997   32 1947  18  1911  66 2005   2.23 1929   0.48  0.48
 5  62  41   80  1989   37 1942  22  1972  64 1998   1.39 1979   0.60  0.60
 
 6  62  41   80  1989   38 1971  22  1972  66 1989   3.70 1900   0.72  0.72
 7  62  41   79  2008   33 1913  19  1970  69 2008   2.01 1896   0.84  0.84
 8  62  41   79  1957   33 1988  19  1996* 65 1907   5.89 1891   0.96  0.96
 9  62  41   80  1974   34 1973  19  1976  66 1972   2.49 1984   1.08  1.08
10  62  41   82  1963   27 1962  18  1977  66 1898   1.43 2001   1.20  1.20 
 
11  62  41   81  1995   30 1962  12  1982  69 1995   2.78 1900   1.32  1.32
12  62  41   81  2000   28 1892  11  1918  68 2007   2.27 1921   1.44  1.44
13  62  41   81  2000   32 1997  17  1912  68 1960   1.51 2005   1.56  1.56
14  62  41   82  1971   34 1997  19  1982  68 1932   1.45 1941   1.68  1.68
15  62  41   79  1996   37 1917  21  1892  67 1932   2.82 1919   1.80  1.80
 
16  62  41   81  1936   37 2007  22  1972  66 1935   2.60 1969   1.92  1.92
17  62  41   80  1974   36 2007* 15  1930  67 1935   2.39 1963   2.04  2.04
18  62  41   81  2000   27 1930   5  1930  69 1990   2.83 1945   2.16  2.16
19  62  41   81  2000   29 1940  10  1940  69 1907   2.00 1898   2.28  2.28
20  62  41   80  1999   29 1978  20  1985  69 1937   1.83 1958   2.40  2.40
 
21  62  41   81  1911   31 1978  16  1985  70 1999   2.05 1949   2.52  2.52
22  62  41   80  1972   24 1930  15  1930  66 1982   2.52 1919   2.64  2.64
23  62  41   83  1972   36 1937  14  1940  70 2002   2.62 1920   2.76  2.76
24  63  41   82  1971   31 1894  18  1963  68 1950   1.90 1920   2.88  2.88
25  63  41   81  1971   34 1940  19  1894  71 1950   1.40 1907   3.00  3.00
 
26  63  42   84  1975   33 1943  23  1943  69 1952   2.58 1995   3.12  3.12
27  63  42   83  1975   32 1897  19  1897  65 1972   2.86 1891   3.24  3.24
28  63  42   82  1975   30 1897  19  1897  68 1975   0.75 1930   3.35  3.35
29  63  42   82  1975   32 1948  22  1897  69 1956   1.93 1922   3.46  3.46
30  63  42   84  1911   26 1951  18  1949  67 2002   1.64 1972   3.57  3.57
 
31  64  42   82  1911   28 1951  14  1949  69 1975   2.12 1934   3.68  3.68

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

January Normals
high:             62.3F    
low:              41.2F  
mean temperature: 51.8F   
rainfall:         3.68"
heating DD          468            
cooling DD           16