Climatological Report (Daily)
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000
CDUS43 KLOT 192152
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
450 PM CDT WED AUG 19 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 19 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         75    221 PM  99    1983  82     -7       86
                                      1947
  MINIMUM         69    411 AM  51    1992  63      6       69
  AVERAGE         72                        72      0       78

PRECIPITATION (IN)
  TODAY            0.00          2.07 1921   0.16  -0.16     0.09
  MONTH TO DATE    1.42                      3.14  -1.72     3.92
  SINCE JUN 1     11.39                     10.29   1.10    13.87
  SINCE JAN 1     22.88                     23.37  -0.49    28.70

SNOWFALL (IN)
  TODAY            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      T                         0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     52                        52      0       17
  SINCE JUL 1     13                         4      9        5

 COOLING
  TODAY            7                         8     -1       13
  MONTH TO DATE  195                       159     36      133
  SINCE JUN 1    559                       607    -48      510
  SINCE JAN 1    612                       661    -49      571
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    12.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           200 AM
 LOWEST     46           100 PM
 AVERAGE    72

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1947
 MINIMUM TEMPERATURE (F)   63        47      1950


SUNRISE AND SUNSET
AUGUST 19 2015........SUNRISE   603 AM CDT   SUNSET   746 PM CDT
AUGUST 20 2015........SUNRISE   604 AM CDT   SUNSET   745 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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