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CDUS43 KLOT 212144
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CDT TUE OCT 21 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 21 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         53   1149 AM  87    1953  60     -7       55
  MINIMUM         45    614 AM  26    1952  41      4       33
  AVERAGE         49                        51     -2       44

PRECIPITATION (IN)
  TODAY            0.00          2.28 1933   0.10  -0.10      T
  MONTH TO DATE    2.45                      2.10   0.35     1.53
  SINCE SEP 1      5.16                      5.31  -0.15     4.10
  SINCE JAN 1     37.24                     30.44   6.80    36.47

SNOWFALL (IN)
  TODAY            0.0           1.9  1913   0.0    0.0      0.0
  MONTH TO DATE    T                         0.1   -0.1      0.0
  SINCE SEP 1      T                         0.1   -0.1      0.0
  SINCE JUL 1      T                         0.1   -0.1      0.0

DEGREE DAYS
 HEATING
  TODAY           16                        14      2       21
  MONTH TO DATE  260                       235     25      178
  SINCE SEP 1    366                       340     26      246
  SINCE JUL 1    371                       353     18      257

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    3                        10     -7       25
  SINCE SEP 1     84                       102    -18      168
  SINCE JAN 1    799                       842    -43      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           400 AM
 LOWEST     63          1100 AM
 AVERAGE    70

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        87      1953
 MINIMUM TEMPERATURE (F)   41        22      1982


SUNRISE AND SUNSET
OCTOBER 21 2014.......SUNRISE   711 AM CDT   SUNSET   601 PM CDT
OCTOBER 22 2014.......SUNRISE   712 AM CDT   SUNSET   559 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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