PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 918 PM CST FRI JAN 3 2014 /1018 PM EST FRI JAN 3 2014/  ...EXTREME COLD TRIVIA FOR CHICAGO AND ROCKFORD...  IN CHICAGO...THIS WINTER HAS ALREADY PRODUCED MORE SUBZERO LOW TEMPERATURES TO DATE THAN ANY WINTER DATING BACK TO 2000. THROUGH JAN 3RD THERE HAVE BEEN 6 DAYS WITH LOWS BELOW IN CHICAGO. ON AVERAGE AN ENTIRE WINTER PRODUCES 7 DAYS WITH LOW TEMPERATURES BELOW ZERO.  IN ROCKFORD...THERE HAVE BEEN 12 DAYS ALREADY THIS WINTER WITH LOW TEMPERATURES BELOW ZERO...WHICH IS ALSO THE MOST NUMBER OF DAYS WITH SUBZERO LOWS TO DATE SINCE 2000. ON AVERAGE...ROCKFORD SEES AROUND 12 DAYS PER WINTER WITH LOW TEMPERATURES BELOW ZERO.  HERE ARE THE DAILY RECORD LOWS AND RECORD COLD HIGH TEMPERATURES...                         CHICAGO             LOW     YEAR        COLDEST HIGH    YEAR SUN (1/5)   -18     1884            -5          1924 MON (1/6)   -14     1988            -1          1912 TUE (1/7)   -16     1912            -4          1942                          ROCKFORD             LOW     YEAR        COLDEST HIGH    YEAR SUN (1/5)   -25     1924            -11         1924 MON (1/6)   -19     1988            -14         1924 TUE (1/7)   -20     1942            -10         1912  HERE ARE THE ALL-TIME RECORDS FOR CHICAGO AND ROCKFORD WHICH ARE ALSO THE RECORDS FOR THE MONTH OF JANUARY...                 COLDEST LOW          COLDEST HIGH ROCKFORD     -27 01/10/1982        -14 01/18/1994                                        01/06/1912 CHICAGO      -27 01/20/1985        -11 01/18/1994                                        12/24/1983  HERE IS A RANKING OF THE COLDEST LOW TEMPERATURES ON RECORD...         CHICAGO         DATE        HIGH 1)  JAN 20 1985    -27 2)  JAN 10 1982    -26 3)  DEC 24 1983    -25     JAN 16 1982    -25 5)  JAN 19 1985    -23     JAN 17 1982    -23     DEC 24 1872    -23 8)  DEC 21 1984    -22 9)  JAN 18 1994    -21     DEC 23 1983    -21     FEB  9 1899    -21     DEC 22 1872    -21         ROCKFORD         DATE        HIGH 1)  JAN 10 1982    -27 2)  JAN 20 1985    -26 3)  JAN 16 2009    -25     JAN 17 1982    -25     FEB  9 1933    -25     JAN  5 1924    -25 7)  FEB  3 1996    -24     JAN 19 1985    -24     DEC 24 1983    -24     JAN 16 1982    -24     JAN 15 1979    -24     JAN 11 1979    -24     JAN 23 1936    -24  HERE IS RANKING OF THE COLDEST HIGH TEMPERATURES ON RECORD...         CHICAGO         DATE        HIGH 1)  JAN 18 1994    -11     DEC 24 1983    -11 3)  JAN 25 1897    -10 4)  FEB  9 1899     -8 5)  JAN 16 1977     -7 6)  DEC 23 1983     -6     JAN 29 1966     -6     FEB  9 1933     -6     JAN  4 1884     -6 10) FEB  3 1996     -5     FEB  2 1996     -5     DEC 25 1983     -5     JAN 15 1972     -5     JAN  5 1924     -5     JAN  5 1912     -5         ROCKFORD         DATE        HIGH 1)  JAN 18 1994    -14     JAN  6 1912    -14 3)  FEB  2 1996    -13     JAN 15 1994    -13 5)  FEB  3 1996    -12 6)  DEC 24 1983    -11     DEC 23 1983    -11     JAN  5 1924    -11 9)  JAN 23 1963    -10     JAN  7 1912    -10  HISTORICALLY...CHICAGO AVERAGES A HIGH TEMPERATURE BELOW ZERO APPROXIMATELY ONCE EVERY 5 YEARS...AND A HIGH TEMPERATURES COLDER THAN -5 ONLY ABOUT ONCE EVERY 30 YEARS. THE LAST TIME CHICAGO SAW A HIGH TEMPERATURE BELOW ZERO WAS BACK ON JANUARY 15 2009 WHEN THE HIGH WAS 1 BELOW ZERO. THE LAST TIME THE HIGH TEMPERATURE WAS COLDER THAN -5 IN CHICAGO WAS BACK ON JANUARY 18 1994 WHEN CHICAGO TIED THE ALL TIME RECORD COLD HIGH OF 11 BELOW ZERO.  ROCKFORD SEES A HIGH TEMPERATURE BELOW ZERO ON AVERAGE ABOUT ONCE EVERY 4 YEARS...AND HIGH TEMPERATURES COLDER THAN -5 ABOUT ONCE EVERY 10 YEARS. THE LAST TIME ROCKFORD SAW A HIGH TEMPERATURE BELOW ZERO AND COLDER THAN -5 WAS BACK IN JAN 2009 WHEN THE HIGH TEMPERATURE WAS 6 BELOW ZERO ON JANUARY 15.  IN ADDITION TO THE BRUTALLY COLD TEMPERATURES...STRONG WINDS ARE EXPECTED TO RESULT IN SOME OF THE COLDEST WIND CHILLS RECORDED IN MANY YEARS. HERE IS A RANKING OF THE EVENTS WITH THE COLDEST RECORDED WIND CHILLS ON RECORD DATING BACK TO THE WINTER OF 1929-30. THESE WIND CHILLS ARE BASED ON THE HOURLY OBSERVATIONS AND ALL ARE WERE CALCULATED USING THE NEW WIND CHILL FORMULA.          CHICAGO                  COLDEST        DATE     WIND CHILL 1)  JAN 10 1982    -60 2)  DEC 24 1983    -59 3)  JAN 20 1985    -58 4)  JAN 17 1982    -53 5)  JAN 22 1936    -52 6)  FEB  9 1933    -51 7)  JAN 18 1994    -50 8)  JAN 16 1977    -48 9)  JAN 18 1930    -48 10) JAN 15 1994    -44          ROCKFORD                  COLDEST        DATE     WIND CHILL 1)  JAN 10 1982    -59 2)  JAN 22 1936    -58 3)  DEC 24 1983    -57 4)  JAN 20 1985    -57 5)  FEB  9 1933    -55 6)  JAN 18 1994    -53 7)  JAN 16 1977    -53 8)  JAN 16 1982    -51 9)  JAN 28 1977    -49 10) JAN 23 1963    -49  THE POTENTIAL EXISTS FOR AN EXTENDED PERIOD OF OF SUBZERO TEMPERATURES. HERE IS A RANKING OF THE LONGEST STRETCHES OF CONSECUTIVE HOURS BELOW ZERO...                       CHICAGO  RANK    # OF HOURS      CLIMBED ABOVE         COLDEST TEMP         BELOW ZERO          ZERO              DURING STREAK 1)          98        DEC 26 1983 AT 11 AM         -25 2)          66        FEB  4 1996 AT  2 PM         -19 3)          60        JAN 11 1982 AT  8 AM         -26 4)          48        JAN 21 1985 AT  8 AM         -27 5)          45        JAN 19 1994 AT  2 PM         -21 6)          44        JAN  6 1988 AT  1 PM         -14             44        JAN 16 1994 AT 12 PM         -17 8)          43        JAN 17 1977 AT  1 PM         -19 9)          42        JAN 17 1982 AT 11 PM         -25 10)         39        FEB 10 1933 AT  9 AM         -19                        ROCKFORD  RANK    # OF HOURS      CLIMBED ABOVE         COLDEST TEMP         BELOW ZERO          ZERO              DURING STREAK 1)         128        FEB  5 1996 AT  2 AM         -24 2)         102        DEC 26 1983 AT 12 PM         -24 3)          84(E)     JAN 22 1970 AT  8 AM         -22 4)          75(E)     JAN 30 1966 AT  1 PM         -20 5)          70        JAN  7 1988 AT  1 PM         -19 6)          62        DEC 23 1989 AT  1 PM         -20 7)          61        JAN 16 1994 AT  1 PM         -21 8)          58        JAN 31 1951 AT 11 AM         -19  $$  IZZI/RECCHIA

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