Climatological Report (Daily)
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CDUS43 KLOT 022139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT WED AUG 2 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 2 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         87    204 PM 101    1991  83      4       87
  MINIMUM         66    438 AM  51    1985  64      2       67
  AVERAGE         77                        74      3       77

PRECIPITATION (IN)
  TODAY            0.00          5.63 1885   0.16  -0.16     0.00
  MONTH TO DATE    0.92                      0.33   0.59     0.00
  SINCE JUN 1     12.04                      7.48   4.56     9.08
  SINCE JAN 1     30.15                     20.56   9.59    22.72

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      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                        52    -49       13
  SINCE JUL 1      0                         4     -4        0

 COOLING
  TODAY           12                         9      3       12
  MONTH TO DATE   24                        18      6       22
  SINCE JUN 1    560                       466     94      570
  SINCE JAN 1    593                       520     73      644
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     37           200 PM
 AVERAGE    65

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      1964
                                             1944
                                             1930
 MINIMUM TEMPERATURE (F)   64        48      1894


SUNRISE AND SUNSET
AUGUST  2 2017........SUNRISE   546 AM CDT   SUNSET   809 PM CDT
AUGUST  3 2017........SUNRISE   547 AM CDT   SUNSET   807 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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