DAILY NORMALS AND RECORDS FOR THE MONTH OF APRIL FOR DULLES AIRPORT DAILY TEMP NORMALS AND EXTREMES GREATEST PRECIP FOR CALENDAR DAY DY NMX NMN NPCP NS RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR 01 61 36 0.11 0.1 85 /1978 41 /1964 17*/1969 57 /2006 1.64 1973 0.6 1964 02 61 37 0.11 0.1 86 /1967 42 /1964 21 /1964 55 /2000 2.07 2005 T 1992+ 03 61 37 0.11 0.1 86 /1981 46 /1987 23 /1991 58 /2000 0.70 2008 T 1987+ 04 62 37 0.11 0.1 81 /1999+ 45 /1979+ 22 /1965 63 /1981 1.47 1987 0.2 1990 05 62 38 0.11 0.0 83 /1985 42 /1987 22 /1965 51 /1991+ 0.72 1977 T 2007+ 06 62 38 0.11 0.0 86 /2005 42 /1970 24 /1966 57 /1994 1.26 1971 2.7*1990 07 63 38 0.10 0.0 84 /1991 42 /2007+ 21 /1977 59 /2005 1.33 1988 1.1 1990 08 63 38 0.10 0.0 87 /1991 38*/1972 24 /1970 53 /1983 1.15 2000 T 2000+ 09 64 39 0.10 0.0 89 /2001 42 /1997+ 23 /1977 62 /1991 1.02 1998 2.6 1982 10 64 39 0.10 0.0 78 /1992 46 /1989 19 /1985 56 /1969 0.84 1983 T 1996+ 11 64 39 0.10 0.0 87 /1977 46 /1973 25 /1971+ 57 /2008 0.74 2009 T 1986+ 12 65 40 0.10 0.0 87 /1977 42 /1973 23 /1982 58 /1965 1.45 2004 1.0 1973 13 65 40 0.10 0.0 87 /1977 41 /1966 24 /1990 56 /2002+ 0.93 1972 T 1966 14 65 40 0.10 0.0 84 /1967 47 /1991+ 20 /1975 58 /1972 2.13 1970 15 66 40 0.10 0.0 87 /1967 47 /2007+ 28 /1997+ 60 /2006+ 1.96 1983 16 66 41 0.10 0.0 91 /2002 46 /2007 28 /1981 57 /2003+ 2.43 1993 T 1988 17 66 41 0.10 0.0 93*/2002 48 /1986 27 /1983 59 /1982 1.44 2000 T 1983 18 67 41 0.11 0.0 90 /1976 43 /2003 31 /1996+ 62 /2002 0.59 1978 19 67 42 0.11 0.0 91 /2002 44 /1983 27 /2001+ 61 /2004+ 0.75 1998 20 67 42 0.11 0.0 88 /1985+ 50 /1991 28 /1974 63 /1996 2.90*2008 T 1983 21 67 42 0.11 0.0 89 /1985 46 /1964 29 /1983 57 /2008 2.20 1992 22 68 42 0.11 0.0 92 /1985 47 /1972 27 /1975 62 /1977 2.88 2006 T 1993 23 68 43 0.11 0.0 88 /2001 47 /1984 30 /1989 66*/1977 0.67 1963 T 1986 24 68 43 0.11 0.0 85 /1994+ 48 /2005 30 /1989 61 /1975 1.25 1983 25 69 43 0.11 0.0 92 /2009 45 /1965 29 /1969 59 /1979 1.34 1973 26 69 44 0.11 0.0 92 /2009+ 53 /1980+ 31 /1967 61 /1979 0.93 2004 27 69 44 0.11 0.0 92 /2009+ 48 /1967 31 /1987+ 63 /2009 1.65 1973 T 1994 28 70 44 0.11 0.0 88 /1990+ 44 /1966 32 /1993+ 62 /2009 1.68 2002 29 70 45 0.11 0.0 87 /1996+ 47 /1966 32 /1987 62 /1996 1.04 1990 30 70 45 0.11 0.0 86 /2007+ 49 /1964 29 /1977 64 /1983 0.72 2005 * EXTREME EVENT FOR THE MONTH + EVENT ALSO OCCURRED IN PREVIOUS YEARS MONTHLY PRECIPITATION EXTREMES: WETTEST.. 7.35" 1973 DRIEST....0.33" 1985 SNOWIEST.. 4.0" 1990 NORMALS BASED ON PERIOD 1971-2000 MONTHLY NORMALS: MAX 65.9 MIN 40.7 AVG 53.8 PCP 3.22" SNW 0.4" KEY... DY=DAY OF MONTH NMX=NORMAL DAILY MAX(F) NMN=NORMAL DAILY MIN(F) NPCP=NORMAL DAILY PRECIP (IN) RMX=DAILY RECORD HIGH MAX(F) LOMX=DAILY RECORD LOWEST MAX(F) RMN=DAILY RECORD LOW MIN(F) HIMN=DAILY RECORD HIGHEST MIN(F) MAXPCP=DAILY MAX PRECIP (IN) MXSNO=DAILY MAX SNOWFALL (IN) CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST) MIDNIGHT-TO-MIDNIGHT. Last updated: Wed Apr 29 20:00:02 GMT 2009