DAILY NORMALS AND RECORDS FOR THE MONTH OF MAY 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 71 47 0.13 0.0 90 /2010 47*/1963 33 /1996 63 /1983 1.42 1981 T 1963 02 72 47 0.12 0.0 88 /2010+ 51 /1995 34 /1979 70 /2010 0.85 1977 03 72 47 0.14 0.0 92 /1965 56 /2004 32 /2005+ 67 /2010 1.03 1984 04 72 47 0.13 0.0 90 /2001 52 /1994 31 /1967 60 /2012 1.23 1996 05 72 48 0.14 0.0 88 /1980 51 /2003 29 /1976 62 /2006 2.34 1989 T 1998 06 73 48 0.13 0.0 90 /1986 57 /1970+ 36 /1968 61 /2012+ 0.80 1988 07 73 48 0.14 0.0 90 /2000+ 51 /1996+ 28*/1970 60 /1986 1.51 1967 08 73 49 0.13 0.0 90 /2000 54 /2006 29 /1974 66 /2000 1.46 2008 09 73 49 0.14 0.0 91 /1963 55 /1977 30 /1976 66 /1964 0.93 1974 10 74 49 0.15 0.0 90 /1963 55 /1966 31 /1983+ 66 /1979 1.61 1990 11 74 50 0.14 0.0 90 /1993 55 /2010 29 /1966 66 /2004 3.73*2008 12 74 50 0.15 0.0 89 /1991+ 50 /2008 34 /1969 65 /2004 1.37 1974 13 74 50 0.15 0.0 92 /2000 52 /1967 32 /1976 65 /2004+ 1.93 1971 14 75 51 0.16 0.0 89 /2010 55 /1967 32 /2013+ 66 /2004 1.31 2005 15 75 51 0.16 0.0 88 /1991 61 /1968 37 /1984 65 /2009+ 2.40 2003 16 75 51 0.15 0.0 90 /1998 58 /1989 35 /2000 66 /2009 1.62 1983 17 75 51 0.16 0.0 89 /1986 51 /2003 30 /1984 65 /1974 1.22 1970 18 76 52 0.15 0.0 91 /1987 54 /2003 33 /1973 66 /1995 3.13 1988 19 76 52 0.15 0.0 92 /1997+ 52 /1981 36 /2002 66 /1969 1.18 1988 20 76 52 0.15 0.0 93 /1996 57 /1987 36 /2002 67 /1969 1.86 2005 21 76 53 0.16 0.0 92 /1996 59 /2002 33 /1992 67 /2013 1.06 2003 22 77 53 0.15 0.0 88 /2004+ 57 /1967 31 /2002 67 /1975 2.07 2001 23 77 53 0.16 0.0 92 /1964 56 /2003 39 /2002+ 70 /2004 2.40 2010 24 77 54 0.15 0.0 90 /1964 58 /2005 36 /1963 69 /2004 0.83 2005+ 25 77 54 0.16 0.0 92 /1991 56 /1973 36 /1967 67 /2004 1.76 1997 26 78 54 0.14 0.0 92 /2007 55 /1992 38 /1967 70 /1991 3.59 2009 T 2002 27 78 55 0.15 0.0 92 /2010+ 55 /1996 37 /1972 69 /2008+ 1.45 1968 28 78 55 0.15 0.0 90 /2012+ 54 /1968 37 /1994 70 /1991 2.16 1982 29 79 56 0.16 0.0 97*/1969 58 /1996 40 /1997 69 /2012 1.00 1984 30 79 56 0.15 0.0 95 /2006+ 62 /1971 38 /1996 70 /2011 1.33 1971 31 79 56 0.15 0.0 94 /2011+ 66 /1984 37 /1984 71*/2006+ 1.15 1979 * EXTREME EVENT FOR THE MONTH + EVENT ALSO OCCURRED IN PREVIOUS YEARS MONTHLY PRECIPITATION EXTREMES: WETTEST..10.26" 2009 DRIEST....0.34" 2007 SNOWIEST..TRACE 2002 NORMALS BASED ON PERIOD 1981-2010 MONTHLY NORMALS: MAX 75.1 MIN 51.2 AVG 63.2 PCP 4.55" SNW 0.0" 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 May 22 16:00:01 GMT 2013