Climatological Report (Daily)
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396
CDUS43 KLOT 212147
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
446 PM CDT WED SEP 21 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 21 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         73   1153 AM  92    1970  73      0       74
  MINIMUM         66    818 AM  39    1991  52     14       52
                                      1983
                                      1889
  AVERAGE         70                        62      8       63

PRECIPITATION (IN)
  TODAY            0.55          1.67 1947   0.11   0.44     0.00
  MONTH TO DATE    1.14                      2.29  -1.15     4.24
  SINCE SEP 1      1.14                      2.29  -1.15     4.24
  SINCE JAN 1     28.12                     27.42   0.70    27.86

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       T

DEGREE DAYS
 HEATING
  TODAY            0                         5     -5        2
  MONTH TO DATE    1                        49    -48       26
  SINCE SEP 1      1                        49    -48       26
  SINCE JUL 1      1                        62    -61       44

 COOLING
  TODAY            5                         2      3        0
  MONTH TO DATE  138                        80     58      143
  SINCE SEP 1    138                        80     58      143
  SINCE JAN 1   1103                       820    283      784
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           800 AM
 LOWEST     73          1200 AM
 AVERAGE    83

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


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 2016.....SUNRISE   638 AM CDT   SUNSET   650 PM CDT
SEPTEMBER 22 2016.....SUNRISE   639 AM CDT   SUNSET   648 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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