Climatological Report (Daily)
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000
CDUS43 KLOT 202136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT TUE SEP 20 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 20 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         83   1258 PM  91    1931  73     10       73
                                      1895
  MINIMUM         66    328 AM  36    1991  52     14       50
  AVERAGE         75                        63     12       62

PRECIPITATION (IN)
  TODAY            T             1.33 2001   0.11  -0.11     0.00
  MONTH TO DATE    0.59                      2.18  -1.59     4.24
  SINCE SEP 1      0.59                      2.18  -1.59     4.24
  SINCE JAN 1     27.57                     27.31   0.26    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                         4     -4        3
  MONTH TO DATE    1                        44    -43       24
  SINCE SEP 1      1                        44    -43       24
  SINCE JUL 1      1                        57    -56       42

 COOLING
  TODAY           10                         2      8        0
  MONTH TO DATE  133                        78     55      143
  SINCE SEP 1    133                        78     55      143
  SINCE JAN 1   1098                       818    280      784
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     26           100 PM
 AVERAGE    60

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      1970
 MINIMUM TEMPERATURE (F)   52        39      1991
                                             1983
                                             1889


SUNRISE AND SUNSET
SEPTEMBER 20 2016.....SUNRISE   637 AM CDT   SUNSET   651 PM CDT
SEPTEMBER 21 2016.....SUNRISE   638 AM CDT   SUNSET   650 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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