Climatological Report (Daily)
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CDUS43 KLOT 230640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SUN JUL 23 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 22 2017...

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)
 YESTERDAY
  MAXIMUM         88    504 PM 101    1991  84      4       90
                                      1934
  MINIMUM         72    709 AM  49    1947  64      8       72
  AVERAGE         80                        74      6       81

PRECIPITATION (IN)
  YESTERDAY        0.66          2.26 1982   0.13   0.53     0.01
  MONTH TO DATE    7.44                      2.49   4.95     3.41
  SINCE JUN 1     10.88                      5.94   4.94     6.26
  SINCE JAN 1     28.99                     19.02   9.97    19.90

SNOWFALL (IN)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        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
  YESTERDAY       15                         9      6       16
  MONTH TO DATE  224                       197     27      216
  SINCE JUN 1    454                       362     92      432
  SINCE JAN 1    487                       416     71      506
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     57           300 PM
 AVERAGE    75

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1914
 MINIMUM TEMPERATURE (F)   64        51      1947


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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