Climatological Report (Daily)
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CDUS43 KLOT 312134
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT MON AUG 31 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 31 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         85    259 PM  99    1953  80      5       85
  MINIMUM         60    339 AM  47    1872  61     -1       68
  AVERAGE         73                        70      3       77

PRECIPITATION (IN)
  TODAY            0.00          1.24 1977   0.14  -0.14     0.00
  MONTH TO DATE    2.16                      4.90  -2.74     7.30
  SINCE JUN 1     12.13                     12.05   0.08    17.25
  SINCE JAN 1     23.62                     25.13  -1.51    32.08

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                         1     -1        0
  MONTH TO DATE    5                         4      1        0
  SINCE JUN 1     57                        61     -4       17
  SINCE JUL 1     18                        13      5        5

 COOLING
  TODAY            8                         6      2       12
  MONTH TO DATE  224                       238    -14      277
  SINCE JUN 1    588                       686    -98      654
  SINCE JAN 1    641                       740    -99      715
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     1.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     55           200 PM
 AVERAGE    78

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1953
 MINIMUM TEMPERATURE (F)   60        45      1949


SUNRISE AND SUNSET
AUGUST 31 2015........SUNRISE   616 AM CDT   SUNSET   727 PM CDT
SEPTEMBER  1 2015.....SUNRISE   617 AM CDT   SUNSET   725 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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