Climatological Report (Daily)
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CDUS43 KLOT 020641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT WED SEP 2 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 1 2015...

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)
 YESTERDAY
  MAXIMUM         88    346 PM 101    1953  80      8       83
  MINIMUM         68    537 AM  45    1949  60      8       70
  AVERAGE         78                        70      8       77

PRECIPITATION (IN)
  YESTERDAY        0.00          2.92 1977   0.12  -0.12     0.36
  MONTH TO DATE    0.00                      0.12  -0.12     0.36
  SINCE SEP 1      0.00                      0.12  -0.12     0.36
  SINCE JAN 1     23.62                     25.25  -1.63    32.44

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         1     -1        0
  SINCE SEP 1      0                         1     -1        0
  SINCE JUL 1     18                        14      4        5

 COOLING
  YESTERDAY       13                         6      7       12
  MONTH TO DATE   13                         6      7       12
  SINCE SEP 1     13                         6      7       12
  SINCE JAN 1    654                       746    -92      727
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           300 AM
 LOWEST     59          1200 PM
 AVERAGE    78

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1953
 MINIMUM TEMPERATURE (F)   60        44      1946


SUNRISE AND SUNSET
SEPTEMBER  2 2015.....SUNRISE   618 AM CDT   SUNSET   724 PM CDT
SEPTEMBER  3 2015.....SUNRISE   619 AM CDT   SUNSET   722 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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