Climatological Report (Daily)
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CDUS43 KLOT 200634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE SEP 20 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 19 2016...

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)
 YESTERDAY
  MAXIMUM         88    249 PM  93    1955  74     14       71
  MINIMUM         56    349 AM  40    1991  53      3       53
  AVERAGE         72                        63      9       62

PRECIPITATION (IN)
  YESTERDAY        0.00          1.72 2001   0.11  -0.11     0.05
  MONTH TO DATE    0.59                      2.07  -1.48     4.24
  SINCE SEP 1      0.59                      2.07  -1.48     4.24
  SINCE JAN 1     27.57                     27.20   0.37    27.86

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       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        3
  MONTH TO DATE    1                        40    -39       21
  SINCE SEP 1      1                        40    -39       21
  SINCE JUL 1      1                        53    -52       39

 COOLING
  YESTERDAY        7                         2      5        0
  MONTH TO DATE  123                        76     47      143
  SINCE SEP 1    123                        76     47      143
  SINCE JAN 1   1088                       816    272      784
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           400 AM
 LOWEST     25           400 PM
 AVERAGE    53

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        91      1931
                                             1895
 MINIMUM TEMPERATURE (F)   52        36      1991


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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