Climatological Report (Daily)
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CDUS43 KLOT 180632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT FRI APR 18 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 17 2014...

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)
 YESTERDAY
  MAXIMUM         62    257 PM  88    1976  60      2       49
  MINIMUM         40    146 AM  17    1875  39      1       42
  AVERAGE         51                        50      1       46

PRECIPITATION (IN)
  YESTERDAY        0.00          2.01 2013   0.12  -0.12     2.01
  MONTH TO DATE    1.28                      1.87  -0.59     4.29
  SINCE MAR 1      2.99                      4.37  -1.38     6.29
  SINCE JAN 1      8.29                      7.89   0.40    12.88

SNOWFALL (IN)
  YESTERDAY        0.0           0.5  1949   0.0    0.0      0.0
  MONTH TO DATE    1.4                       1.0    0.4       T
  SINCE MAR 1     13.7                       6.6    7.1     10.4
  SINCE JUL 1     82.0                      36.2   45.8     30.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       14                        16     -2       19
  MONTH TO DATE  317                       318     -1      347
  SINCE MAR 1   1342                      1159    183     1341
  SINCE JUL 1   6757                      5893    864     5743

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    12.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    66          1100 PM
 LOWEST     42           200 PM
 AVERAGE    54

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        89      2002
 MINIMUM TEMPERATURE (F)   40        23      1983
                                             1875


SUNRISE AND SUNSET
APRIL 18 2014.........SUNRISE   606 AM CDT   SUNSET   736 PM CDT
APRIL 19 2014.........SUNRISE   605 AM CDT   SUNSET   737 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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