Climatological Report (Daily)
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CDUS43 KLOT 232146
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT SUN JUL 23 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 23 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         90    130 PM  99    1914  84      6       91
  MINIMUM         71    457 AM  51    1947  64      7       70
  AVERAGE         81                        74      7       81

PRECIPITATION (IN)
  TODAY            0.00          6.86 2011   0.13  -0.13     1.11
  MONTH TO DATE    7.44                      2.62   4.82     4.52
  SINCE JUN 1     10.88                      6.07   4.81     7.37
  SINCE JAN 1     28.99                     19.15   9.84    21.01

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      3                        48    -45       13
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           16                         9      7       16
  MONTH TO DATE  240                       206     34      232
  SINCE JUN 1    470                       371     99      448
  SINCE JAN 1    503                       425     78      522
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     4.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     38          1200 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       105      1934
 MINIMUM TEMPERATURE (F)   64        53      2000


SUNRISE AND SUNSET
JULY 23 2017..........SUNRISE   537 AM CDT   SUNSET   819 PM CDT
JULY 24 2017..........SUNRISE   538 AM CDT   SUNSET   818 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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