Climatological Report (Daily)
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CDUS43 KLOT 010638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT WED OCT 1 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 30 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         58    253 PM  92    1971  69    -11       74
  MINIMUM         47    723 AM  29    1984  48     -1       47
  AVERAGE         53                        58     -5       61

PRECIPITATION (IN)
  YESTERDAY        T             1.27 1896   0.09  -0.09     0.00
  MONTH TO DATE    2.71                      3.21  -0.50     2.57
  SINCE SEP 1      2.71                      3.21  -0.50     2.57
  SINCE JAN 1     34.79                     28.34   6.45    34.94

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       12                         8      4        4
  MONTH TO DATE  106                       106      0       68
  SINCE SEP 1    106                       105      1       68
  SINCE JUL 1    111                       118     -7       79

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   81                        92    -11      143
  SINCE SEP 1     81                        92    -11      143
  SINCE JAN 1    796                       832    -36      908
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     66           100 PM
 AVERAGE    80

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        92      1971
 MINIMUM TEMPERATURE (F)   48        32      1974
                                             1886


SUNRISE AND SUNSET
OCTOBER  1 2014.......SUNRISE   648 AM CDT   SUNSET   633 PM CDT
OCTOBER  2 2014.......SUNRISE   650 AM CDT   SUNSET   632 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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