Climatological Report (Daily)
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000
CDUS43 KLOT 160642
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE SEP 16 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 15 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         62    137 PM  99    1939  75    -13       62
  MINIMUM         51   1159 PM  39    2007  55     -4       56
  AVERAGE         57                        65     -8       59

PRECIPITATION (IN)
  YESTERDAY        T             1.38 1936   0.10  -0.10     0.65
  MONTH TO DATE    2.58                      1.65   0.93     0.80
  SINCE SEP 1      2.58                      1.65   0.93     0.80
  SINCE JAN 1     34.66                     26.78   7.88    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        8                         3      5        6
  MONTH TO DATE   61                        26     35       16
  SINCE SEP 1     61                        26     35       16
  SINCE JUL 1     66                        39     27       27

 COOLING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   68                        66      2      116
  SINCE SEP 1     68                        66      2      116
  SINCE JAN 1    783                       806    -23      881
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1100 PM
 LOWEST     64          1200 PM
 AVERAGE    77

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        92      1955
                                             1931
 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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