DAILY NORMALS AND RECORDS FOR THE MONTH OF JANUARY 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 42 23 0.10 0.2 68 /2005 26 /1977 -6 /1968 50 /1966 1.73 2003 6.9 1971 02 42 23 0.10 0.2 67 /2000 24 /1999+ -7 /1968 44 /1966 1.40 1979 3.0 1987 03 42 23 0.10 0.2 68 /2000 23 /1979 8 /1979+ 55 /2000 1.37 1999 0.9 1989 04 42 22 0.10 0.2 74 /1997 20 /1981 5 /1979 51 /1997 0.89 1992 1.8 1980 05 42 22 0.10 0.2 69 /1997 21 /1968 5 /1970 57 /2007 1.11 1993 6.4 1980 06 42 22 0.10 0.2 71 /2007 20 /1988 4 /1999+ 56 /2007 0.94 1995 3.9 1989 07 41 22 0.10 0.2 71 /2008 21 /1996+ 8 /1988 61 /1998 1.56 1996 19.8*1996 08 41 22 0.10 0.2 70 /2008 12 /1970 -4 /1970 62*/1998 1.07 1978 4.7 1990 09 41 22 0.10 0.2 64 /2008 8 /1970 -8 /1970 43 /2006 1.39 1964 3.5 1997 10 41 22 0.10 0.2 58 /2002 13 /1982 0 /1982 42 /1972 0.93 1965 6.2 1965 11 41 22 0.10 0.2 71 /1975 20 /1982 -5 /1988 45 /1975 0.90 1991 2.2 1991 12 41 22 0.10 0.2 63 /1995 20 /1984 -4 /1977 38 /2007 0.75 1964 6.1 1996 13 41 22 0.10 0.3 69 /2005 23 /1977+ -3 /1981+ 49 /2007 1.03 1964 6.0 1964 14 41 22 0.10 0.3 72 /1995 22 /1988+ 5 /1970 54 /2007 1.79*2005 0.3 1978 15 41 22 0.10 0.3 68 /2007 15 /1994 -7 /1964 60 /1995 1.56 1995 1.4 1968 16 41 22 0.10 0.3 65 /1974 14 /1972 -4 /1964 41 /1995 0.64 1991 2.3 1965 17 41 22 0.10 0.3 70 /1990 8 /1982 -7 /1982 39 /1995 1.14 1994 4.2 1985 18 41 21 0.10 0.3 70 /1990 19 /1997+ -1 /1994 47 /1990+ 1.18 1980 4.2 1984 19 41 21 0.10 0.3 65 /1972 6*/1994 -6 /1994 44 /1986 1.36 1987 4.3 1978 20 41 21 0.10 0.3 63 /2006 15 /1994 -7 /1985 40 /1995 1.01 1979 4.6 2000 21 41 21 0.10 0.3 62 /2006 15 /1984 -16 /1984 40 /1972 0.94 1974 3.2 2001 22 41 21 0.10 0.3 68 /1986 20 /1970 -18*/1984 38 /1999+ 1.18 1987 11.1 1987 23 41 21 0.10 0.3 72 /1967 20 /2003 -4 /1978+ 45 /1999 1.46 1998 1.7 1982 24 41 22 0.10 0.3 73 /1967 25 /1987+ -2 /1987 45 /1990 1.18 1979 2.5 1977 25 41 22 0.10 0.3 73 /1967 18 /1987 -5 /1987 49 /1990 1.57 1978 10.3 2000 26 42 22 0.10 0.3 70 /1967 21 /1966 3 /1987 40 /1967 0.77 1976 6.1 1987 27 42 22 0.09 0.3 71 /1974 22 /2003 -9 /1987 39 /1974 0.95 1976 0.6 2004 28 42 22 0.09 0.3 68 /2002 21 /1986+-17 /1987 35 /1998+ 1.64 1998 6.7 1994 29 42 22 0.09 0.3 75*/1975 10 /1966 -1 /1987+ 43 /2002+ 0.95 1990 7.2 1966 30 42 22 0.09 0.3 70 /2002 12 /1966 2 /1965 54 /2002 0.63 2000 6.3 2000 31 42 22 0.09 0.3 65 /1993 26 /2004+ -7 /1965 47 /2002 0.68 1985 4.7 1985 * EXTREME EVENT FOR THE MONTH + EVENT ALSO OCCURRED IN PREVIOUS YEARS MONTHLY PRECIPITATION EXTREMES: WETTEST.. 6.61" 1979 DRIEST....0.40" 1981 SNOWIEST..30.9" 1996 NORMALS BASED ON PERIOD 1971-2000 MONTHLY NORMALS: MAX 41.4 MIN 21.9 AVG 31.7 PCP 3.05" SNW 8.1" 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: Tue Feb 5 20:22:24 GMT 2008