Climatological Report (Daily)
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CDUS43 KLOT 170634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU JUL 17 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 16 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         72    417 PM 100    1887  84    -12       92
  MINIMUM         55    333 AM  49    1945  64     -9       73
  AVERAGE         64                        74    -10       83

PRECIPITATION (IN)
  YESTERDAY        0.00          2.48 1950   0.12  -0.12     0.00
  MONTH TO DATE    2.10                      1.77   0.33     0.61
  SINCE JUN 1      9.91                      5.22   4.69     6.84
  SINCE JAN 1     24.74                     18.30   6.44    29.07

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        1                         0      1        0
  MONTH TO DATE    5                         0      5        1
  SINCE JUN 1     17                        48    -31       44
  SINCE JUL 1      5                         0      5        1

 COOLING
  YESTERDAY        0                         9     -9       18
  MONTH TO DATE   97                       143    -46      147
  SINCE JUN 1    295                       308    -13      303
  SINCE JAN 1    356                       362     -6      387
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           200 AM
 LOWEST     37           500 PM
 AVERAGE    62

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      1942
                                             1887
 MINIMUM TEMPERATURE (F)   64        51      1985


SUNRISE AND SUNSET
JULY 17 2014..........SUNRISE   531 AM CDT   SUNSET   824 PM CDT
JULY 18 2014..........SUNRISE   532 AM CDT   SUNSET   823 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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