Climatological Report (Daily)
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CDUS43 KLOT 200636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SAT SEP 20 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 19 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         78    444 PM  93    1955  74      4       84
  MINIMUM         53    547 AM  40    1991  53      0       69
  AVERAGE         66                        63      3       77

PRECIPITATION (IN)
  YESTERDAY        0.00          1.72 2001   0.11  -0.11     0.84
  MONTH TO DATE    2.58                      2.07   0.51     2.19
  SINCE SEP 1      2.58                      2.07   0.51     2.19
  SINCE JAN 1     34.66                     27.20   7.46    34.56

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        0                         4     -4        0
  MONTH TO DATE   79                        40     39       28
  SINCE SEP 1     79                        40     39       28
  SINCE JUL 1     84                        53     31       39

 COOLING
  YESTERDAY        1                         2     -1       12
  MONTH TO DATE   69                        76     -7      134
  SINCE SEP 1     69                        76     -7      134
  SINCE JAN 1    784                       816    -32      899
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    11.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     28           400 PM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        91      1931
                                             1895
 MINIMUM TEMPERATURE (F)   52        36      1991


SUNRISE AND SUNSET
SEPTEMBER 20 2014.....SUNRISE   637 AM CDT   SUNSET   652 PM CDT
SEPTEMBER 21 2014.....SUNRISE   638 AM CDT   SUNSET   651 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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