Climatological Report (Daily)
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000
CDUS43 KLOT 300648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT FRI SEP 30 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 29 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         65    343 PM  99    1953  69     -4       68
  MINIMUM         59   1231 AM  32    1984  48     11       55
  AVERAGE         62                        59      3       62

PRECIPITATION (IN)
  YESTERDAY        0.20          1.39 1921   0.10   0.10     0.40
  MONTH TO DATE    1.66                      3.12  -1.46     4.64
  SINCE SEP 1      1.66                      3.12  -1.46     4.64
  SINCE JAN 1     28.64                     28.25   0.39    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                         7     -4        3
  MONTH TO DATE   20                        98    -78       29
  SINCE SEP 1     20                        98    -78       29
  SINCE JUL 1     20                       111    -91       47

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE  165                        91     74      164
  SINCE SEP 1    165                        91     74      164
  SINCE JAN 1   1130                       831    299      805
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    15.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 PM
 LOWEST     78           400 AM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        92      1971
 MINIMUM TEMPERATURE (F)   48        29      1984


SUNRISE AND SUNSET
SEPTEMBER 30 2016.....SUNRISE   648 AM CDT   SUNSET   634 PM CDT
OCTOBER  1 2016.......SUNRISE   649 AM CDT   SUNSET   632 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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