April 
                    Temperature and Precipitation Normals (1971-2000)
                       and Extremes for Houston Hobby (1931-2009)
                                (last updated 4/25/09)
                              
    --------------- TEMPERATURE -----------------   ----- PRECIPITATION ----
     NORMAL   RECORD     LOW     RECORD    HIGH      RECORD  CUMULATIVE PCPN 
    MAX MIN  MAX YEAR    MAX    MIN YEAR   MIN        PCPN    DAILY  YEARLY 
    ---------------------------------------------   ------------------------                         
 1  77  58   89  1974* 62 1938  35  1937* 72 2008*  2.61 1945  0.11  10.56 
 2  77  58   88  1939  59 1992  39  1937  71 1982   1.40 2000  0.22  10.67
 3  77  58   88  2006* 61 1987  34  1936  72 2001   1.44 1993  0.33  10.78
 4  77  58   87  1940  57 1949  39  1938  72 2001   2.94 1991  0.44  10.89
 5  77  58   90  1982  55 1945  40  1945  71 2001*  2.99 1991  0.55  11.00
 
 6  78  59   86  1967* 58 1973  41  1937* 71 2003   3.68 1934  0.66  11.11
 7  78  59   90  1972  53 1938  35  1939  71 1965*  1.55 2003  0.77  11.22
 8  78  59   90  1986  44 1938  34  1939  72 2001*  5.38 2002  0.88  11.33
 9  78  59   90  1963  59 1938  38  1938  72 2001   3.08 1959  0.99  11.44
10  78  59   93  1963  56 1982  37  1938  71 2001*  0.90 1975  1.10  11.55 
 
11  78  60   91  1963  60 1978  38  1982* 73 1965   1.97 1967  1.21  11.66
12  79  60   89  1936  56 1940  38  1951  73 1991*  1.94 1969  1.32  11.77
13  79  60   91  1996  53 1980  32  1940  74 2001*  2.23 1967  1.43  11.88
14  79  60   89  1972  62 1959  37  1980  74 2001   5.18 1966  1.54  11.99
15  79  60   90  1944  59 1974  37  1933  73 1998   1.68 1973  1.65  12.10
 
16  79  61   92  1987  67 1999* 39  1961  74 1967   1.94 1946  1.76  12.21
17  80  61   90  2006* 70 2001* 43  1983  72 2002   4.50 1973  1.87  12.32
18  80  61   91  1987  60 1998  46  1940  73 1970   5.15 2009  1.99  12.44
19  80  61   88  1984* 66 1983  40  1940  73 1995*  1.77 1992  2.11  12.56
20  80  61   91  1987  65 1949  42  1940  72 1973*  3.62 1977  2.23  12.68
 
21  80  62   87  1987* 66 1975* 46  1978  73 1974   1.04 1982  2.35  12.80
22  81  62   90  2009  57 1982  38  1931  74 2001*  1.78 1949  2.47  12.92
23  81  62   91  1967  67 1982* 45  1931  74 1970   1.11 1981  2.59  13.04
24  81  62   90  1987  60 1982  49  1995  74 1970   4.72 2009  2.71  13.16
25  81  63   91  1932  67 2005  46  1937  74 1970   3.90 1997  2.83  13.28
 
26  82  63   91  1944  63 1947  46  1937  75 1991   2.56 1990  2.95  13.40
27  82  63   93  1933  60 1997  53  2005* 77 1991   6.20 1972  3.07  13.52
28  82  63   94  1948  66 1941  51  1980  77 1970   2.68 1957  3.20  13.65
29  82  64   90  2002* 71 1993* 50  1965  76 1970   1.74 1988  3.33  13.78
30  82  64   92  1953  69 1988  46  1996  75 1967   1.12 1994  3.46  13.91

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

April Normals
# High: 79.4F
# Low: 60.6F
# Mean Temperature: 70.0F
# Rainfall: 3.46"
# Heating DD: 20
# Cooling DD: 169