Unusual Lack of Warmth This Winter

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
322 PM CST THU FEB 25 2010 /422 PM EST THU FEB 25 2010/

...UNUSUAL LACK OF MILD WEATHER THIS WINTER...

WHILE MANY MAY PERCEIVE THIS WINTER TO HAVE BEEN AN UNUSUALLY COLD
ONE...IT TURNS OUT TEMPERATURES ON THE WHOLE HAVE ENDED UP ONLY
SLIGHTLY BELOW AVERAGE DURING METEOROLOGICAL WINTER (DECEMBER
THROUGH FEBRUARY) THUS FAR.

WHAT HAS PROBABLY BEEN MORE NOTEWORTHY HAS BEEN THE LACK OF
RELATIVE MILD SPELLS. THUS FAR THIS WINTER THERE HAVE ONLY BEEN 6
DAYS IN CHICAGO WITH HIGH TEMPERATURES ABOVE 40 DEGREES AND ONLY 4
DAYS ABOVE 40 DEGREES IN ROCKFORD. BOTH OF THESE ARE TIED FOR THE
3RD FEWEST NUMBER OF DAYS GREATER THAN 40 DURING A METEOROLOGICAL
WINTER ON RECORD. THE CURRENT FORECAST SUGGESTS HIGHS WILL NOT
BREAK THE 40 DEGREE MARK THE REST OF THE MONTH...IF THE FORECAST
HOLDS HERE ARE THE WINTERS WITH THE FEWEST NUMBER OF DAYS ABOVE 40
DEGREES.

   CHICAGO
1)  2   1919-20
2)  4   1903-04
      4   1977-78
3)  6   2009-10
     6   1892-93

   ROCKFORD
1)  0   1978-79
2)  2   1977-78
      2   1919-20
3)  4   2009-10
     4   2000-01
     4   1958-59

JUST TO PUT THIS INTO PERSPECTIVE...ON AVERAGE THERE ARE 18 DAYS
DURING THE METEOROLOGICAL WINTER IN ROCKFORD WITH HIGHS ABOVE 40
DEGREES AND 23 DAYS ON AVERAGE DURING METEOROLOGICAL WINTER IN
CHICAGO WITH HIGHS ABOVE 40 DEGREES.

IN CHICAGO THE MERCURY HAS ONLY CLIMBED ABOVE 50 DEGREES ONCE THIS
METEOROLOGICAL WINTER. THIS IS ALSO SOMEWHAT UNUSUAL WITH ONLY 5
WINTERS ON RECORD HAVING NO DAYS ABOVE 50 DEGREES AND 4 PREVIOUS
YEARS WITH ONLY 1 DAY ABOVE 50 DEGREES. IN ROCKFORD THERE HAS ONLY
BEEN 1 DAY ABOVE 50 DEGREES THIS METEOROLOGICAL WINTER...THOUGH
IN ROCKFORD THIS ISNT QUITE AS ATYPICAL AS IT IS IN CHICAGO. ON
AVERAGE IN CHICAGO THERE ARE ABOUT 6 DAYS EACH WINTER WITH HIGHS
ABOVE 50 AND ONLY ABOUT 4 DAYS ABOVE 50 DEGREES IN ROCKFORD.

$$

IZZI



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