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