AFOS product CLIDPA
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CDUS43 KLOT 210648
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1247 AM CST SAT JAN 21 2012


...................................

...THE WEST CHICAGO CLIMATE SUMMARY FOR JANUARY 20 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         17   1159 PM  43          31    -14       MM
  MINIMUM          1    128 AM  -7          15    -14       MM
  AVERAGE          9                        23    -14       MM

PRECIPITATION (IN)
  YESTERDAY        0.25          0.31        0.04   0.21    MM
  MONTH TO DATE    0.48                      0.82  -0.34    MM
  SINCE JAN 1      0.48                      0.82  -0.34    MM

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY       56                        42     14       MM
  MONTH TO DATE  768                       838    -70       MM

 COOLING
  YESTERDAY        0                         0      0       MM
  MONTH TO DATE    0                         0      0       MM
  SINCE JAN 1      0                         0      0       MM
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     6.3



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


..........................................................


THE WEST CHICAGO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        40      1999
 MINIMUM TEMPERATURE (F)   15        -7      2011


SUNRISE AND SUNSET
JANUARY 21 2012.......SUNRISE   715 AM CST   SUNSET   454 PM CST
JANUARY 22 2012.......SUNRISE   715 AM CST   SUNSET   455 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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