Climatological Report (Daily)
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CDUS43 KLOT 092139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT TUE SEP 9 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 9 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         79    246 PM  95    1983  78      1       94
                                      1959
                                      1955
  MINIMUM         63    119 AM  43    1986  57      6       68
  AVERAGE         71                        67      4       81

PRECIPITATION (IN)
  TODAY            T             3.44 1875   0.11  -0.11     0.00
  MONTH TO DATE    1.13                      1.03   0.10     0.15
  SINCE SEP 1      1.13                      1.03   0.10     0.15
  SINCE JAN 1     33.21                     26.16   7.05    32.52

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            0                         2     -2        0
  MONTH TO DATE    0                        11    -11        0
  SINCE SEP 1      0                        11    -11        0
  SINCE JUL 1      5                        24    -19       11

 COOLING
  TODAY            6                         4      2       16
  MONTH TO DATE   65                        45     20       70
  SINCE SEP 1     65                        45     20       70
  SINCE JAN 1    780                       785     -5      835
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           700 AM
 LOWEST     54          1200 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        95      2013
                                             1983
 MINIMUM TEMPERATURE (F)   57        44      1943


SUNRISE AND SUNSET
SEPTEMBER  9 2014.....SUNRISE   626 AM CDT   SUNSET   711 PM CDT
SEPTEMBER 10 2014.....SUNRISE   627 AM CDT   SUNSET   710 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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