Climatological Report (Daily)
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CDUS43 KLOT 291127
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT WED MAY 29 2013


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 28 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    427 PM  95    2012  74      2       95
  MINIMUM         56    118 AM  33    1992  52      4       77
  AVERAGE         66                        63      3       86

PRECIPITATION (IN)
  YESTERDAY        0.20          1.76 1908   0.12   0.08      T
  MONTH TO DATE    4.14                      3.32   0.82     3.26
  SINCE MAR 1     14.82                      9.20   5.62     7.59
  SINCE JAN 1     21.41                     12.72   8.69    11.09

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE MAR 1     10.5                       6.8    3.7      0.3
  SINCE JUL 1     30.1                      36.3   -6.2     19.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE  193                       213    -20       86
  SINCE MAR 1   1729                      1546    183      903
  SINCE JUL 1   6131                      6280   -149     4876

 COOLING
  YESTERDAY        1                         2     -1       21
  MONTH TO DATE   52                        36     16      120
  SINCE MAR 1     60                        46     14      163
  SINCE JAN 1     60                        46     14      163
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     74          1200 PM
 AVERAGE    87

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1942
 MINIMUM TEMPERATURE (F)   52        37      1984
                                             1965


SUNRISE AND SUNSET
MAY 29 2013...........SUNRISE   520 AM CDT   SUNSET   818 PM CDT
MAY 30 2013...........SUNRISE   520 AM CDT   SUNSET   819 PM CDT


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




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