Climatological Report (Daily)
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000
CDUS43 KLOT 212146
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT SUN SEP 21 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 21 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         69    259 PM  92    1970  73     -4       67
  MINIMUM         58    708 AM  39    1991  52      6       52
                                      1983
                                      1889
  AVERAGE         64                        62      2       60

PRECIPITATION (IN)
  TODAY            T             1.67 1947   0.11  -0.11     0.00
  MONTH TO DATE    2.70                      2.29   0.41     2.19
  SINCE SEP 1      2.70                      2.29   0.41     2.19
  SINCE JAN 1     34.78                     27.42   7.36    34.56

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            1                         5     -4        5
  MONTH TO DATE   80                        49     31       33
  SINCE SEP 1     80                        49     31       33
  SINCE JUL 1     85                        62     23       44

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   74                        80     -6      136
  SINCE SEP 1     74                        80     -6      136
  SINCE JAN 1    789                       820    -31      901
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    16.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           400 AM
 LOWEST     51           300 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1956
 MINIMUM TEMPERATURE (F)   51        32      1995


SUNRISE AND SUNSET
SEPTEMBER 21 2014.....SUNRISE   638 AM CDT   SUNSET   651 PM CDT
SEPTEMBER 22 2014.....SUNRISE   639 AM CDT   SUNSET   649 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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