Climatological Report (Daily)
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000
CDUS43 KLOT 180636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU SEP 18 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 17 2014...

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)
 YESTERDAY
  MAXIMUM         70    547 PM  93    1955  75     -5       71
  MINIMUM         48    556 AM  37    1984  54     -6       49
  AVERAGE         59                        64     -5       60

PRECIPITATION (IN)
  YESTERDAY        0.00          2.42 1927   0.10  -0.10     0.00
  MONTH TO DATE    2.58                      1.86   0.72     0.80
  SINCE SEP 1      2.58                      1.86   0.72     0.80
  SINCE JAN 1     34.66                     26.99   7.67    33.17

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      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        6                         3      3        5
  MONTH TO DATE   76                        32     44       28
  SINCE SEP 1     76                        32     44       28
  SINCE JUL 1     81                        45     36       39

 COOLING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   68                        72     -4      116
  SINCE SEP 1     68                        72     -4      116
  SINCE JAN 1    783                       812    -29      881
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     2.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           600 AM
 LOWEST     40           100 PM
 AVERAGE    63

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        94      1955
 MINIMUM TEMPERATURE (F)   53        40      1903
                                             1901
                                             1889


SUNRISE AND SUNSET
SEPTEMBER 18 2014.....SUNRISE   635 AM CDT   SUNSET   656 PM CDT
SEPTEMBER 19 2014.....SUNRISE   636 AM CDT   SUNSET   654 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$

BMD


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