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CDUS43 KLOT 192141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT SUN AUG 19 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 19 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         86    240 PM  99    1983  82      4       86
                                      1947
  MINIMUM         68    525 AM  51    1992  63      5       63
  AVERAGE         77                        72      5       75

PRECIPITATION (IN)
  TODAY            0.00          2.07 1921   0.16  -0.16     0.00
  MONTH TO DATE    3.75                      3.14   0.61     2.02
  SINCE JUN 1     12.52                     10.29   2.23    13.14
  SINCE JAN 1     31.37                     23.37   8.00    31.25

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      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0       T

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE JUN 1     10                        52    -42        6
  SINCE JUL 1      0                         4     -4        3

 COOLING
  TODAY           12                         8      4       10
  MONTH TO DATE  248                       159     89      146
  SINCE JUN 1    820                       607    213      682
  SINCE JAN 1    969                       661    308      715
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     4.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           100 AM
 LOWEST     51          1200 PM
 AVERAGE    71

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


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 2018........SUNRISE   604 AM CDT   SUNSET   746 PM CDT
AUGUST 20 2018........SUNRISE   605 AM CDT   SUNSET   744 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
