Climatological Report (Daily)
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000
CDUS43 KLOT 182142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT SAT JUL 18 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 18 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         89    121 PM 100    1946  84      5       79
  MINIMUM         73    440 AM  53    1979  64      9       59
  AVERAGE         81                        74      7       69

PRECIPITATION (IN)
  TODAY            0.49          2.90 1993   0.12   0.37     0.00
  MONTH TO DATE    2.80                      2.00   0.80     2.10
  SINCE JUN 1      9.92                      5.45   4.47     9.91
  SINCE JAN 1     21.41                     18.53   2.88    24.74

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   13                         0     13        5
  SINCE JUN 1     52                        48      4       17
  SINCE JUL 1     13                         0     13        5

 COOLING
  TODAY           16                         9      7        4
  MONTH TO DATE  104                       161    -57      102
  SINCE JUN 1    222                       326   -104      300
  SINCE JAN 1    275                       380   -105      361
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     65          1200 PM
 AVERAGE    79

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       101      1930
 MINIMUM TEMPERATURE (F)   64        50      1873


SUNRISE AND SUNSET
JULY 18 2015..........SUNRISE   532 AM CDT   SUNSET   823 PM CDT
JULY 19 2015..........SUNRISE   533 AM CDT   SUNSET   823 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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