Climatological Report (Daily)
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CDUS43 KLOT 162142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT TUE SEP 16 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 16 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         68    259 PM  92    1955  75     -7       64
                                      1931
  MINIMUM         44    543 AM  37    1984  54    -10       51
  AVERAGE         56                        65     -9       58

PRECIPITATION (IN)
  TODAY            0.00          1.16 1980   0.11  -0.11     0.00
  MONTH TO DATE    2.58                      1.76   0.82     0.80
  SINCE SEP 1      2.58                      1.76   0.82     0.80
  SINCE JAN 1     34.66                     26.89   7.77    33.17

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 SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            9                         3      6        7
  MONTH TO DATE   70                        29     41       23
  SINCE SEP 1     70                        29     41       23
  SINCE JUL 1     75                        42     33       34

 COOLING
  TODAY            0                         3     -3        0
  MONTH TO DATE   68                        69     -1      116
  SINCE SEP 1     68                        69     -1      116
  SINCE JAN 1    783                       809    -26      881
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     4.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     35           300 PM
 AVERAGE    64

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        93      1955
 MINIMUM TEMPERATURE (F)   54        37      1984


SUNRISE AND SUNSET
SEPTEMBER 16 2014.....SUNRISE   633 AM CDT   SUNSET   659 PM CDT
SEPTEMBER 17 2014.....SUNRISE   634 AM CDT   SUNSET   658 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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