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CDUS43 KLOT 141123
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE MAY 14 2013


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 13 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         64    135 PM  89    1991  69     -5       72
                                      1956
  MINIMUM         36    301 AM  34    1996  47    -11       50
                                      1888
  AVERAGE         50                        58     -8       61

PRECIPITATION (IN)
  YESTERDAY        0.00          1.49 2010   0.12  -0.12     0.00
  MONTH TO DATE    0.63                      1.51  -0.88     3.07
  SINCE MAR 1     11.31                      7.39   3.92     7.40
  SINCE JAN 1     17.90                     10.91   6.99    10.90

SNOWFALL (IN)
  YESTERDAY        0.0           T    1895   0.0    0.0      0.0
                                      1953
  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       15                         8      7        4
  MONTH TO DATE  126                       122      4       64
  SINCE MAR 1   1662                      1455    207      881
  SINCE JUL 1   6064                      6189   -125     4854

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    5                        11     -6       15
  SINCE MAR 1     13                        21     -8       58
  SINCE JAN 1     13                        21     -8       58
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           200 AM
 LOWEST     22           100 PM
 AVERAGE    51

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        92      1982
 MINIMUM TEMPERATURE (F)   48        32      1895


SUNRISE AND SUNSET
MAY 14 2013...........SUNRISE   532 AM CDT   SUNSET   804 PM CDT
MAY 15 2013...........SUNRISE   531 AM CDT   SUNSET   805 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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