Climatological Report (Daily)
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143
CDUS43 KLOT 290639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT THU SEP 29 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 28 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         60   1159 PM  92    1953  70    -10       77
  MINIMUM         50    544 AM  29    1942  49      1       64
  AVERAGE         55                        59     -4       71

PRECIPITATION (IN)
  YESTERDAY        0.31          3.65 1972   0.09   0.22     0.00
  MONTH TO DATE    1.46                      3.02  -1.56     4.24
  SINCE SEP 1      1.46                      3.02  -1.56     4.24
  SINCE JAN 1     28.44                     28.15   0.29    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       10                         7      3        0
  MONTH TO DATE   17                        91    -74       26
  SINCE SEP 1     17                        91    -74       26
  SINCE JUL 1     17                       104    -87       44

 COOLING
  YESTERDAY        0                         1     -1        6
  MONTH TO DATE  165                        90     75      164
  SINCE SEP 1    165                        90     75      164
  SINCE JAN 1   1130                       830    300      805
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           800 PM
 LOWEST     57          1000 AM
 AVERAGE    72

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        99      1953
 MINIMUM TEMPERATURE (F)   48        32      1984


SUNRISE AND SUNSET
SEPTEMBER 29 2016.....SUNRISE   647 AM CDT   SUNSET   636 PM CDT
SEPTEMBER 30 2016.....SUNRISE   648 AM CDT   SUNSET   634 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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