Climatological Report (Daily)
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017
CDUS43 KLOT 010733
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
232 AM CDT SAT OCT 1 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 30 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         64    357 PM  92    1971  69     -5       61
  MINIMUM         60    617 AM  29    1984  48     12       52
  AVERAGE         62                        58      4       57

PRECIPITATION (IN)
  YESTERDAY        0.10          1.27 1896   0.09   0.01     0.00
  MONTH TO DATE    1.76                      3.21  -1.45     4.64
  SINCE SEP 1      1.76                      3.21  -1.45     4.64
  SINCE JAN 1     28.74                     28.34   0.40    28.26

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        3                         8     -5        8
  MONTH TO DATE   23                       106    -83       37
  SINCE SEP 1     23                       105    -82       37
  SINCE JUL 1     23                       118    -95       55

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE  165                        92     73      164
  SINCE SEP 1    165                        92     73      164
  SINCE JAN 1   1130                       832    298      805
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     84          1200 PM
 AVERAGE    87

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        92      1971
 MINIMUM TEMPERATURE (F)   48        32      1974
                                             1886


SUNRISE AND SUNSET
OCTOBER  1 2016.......SUNRISE   649 AM CDT   SUNSET   632 PM CDT
OCTOBER  2 2016.......SUNRISE   650 AM CDT   SUNSET   631 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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