Climatological Report (Daily)
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000
CDUS43 KLOT 290645
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1243 AM CST WED NOV 29 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 28 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61    209 PM  69    1905  41     20       51
  MINIMUM         43   1159 PM   0    1887  27     16       41
                                      1872
  AVERAGE         52                        34     18       46

PRECIPITATION (IN)
  YESTERDAY        0.00          1.56 1968   0.10  -0.10     0.99
  MONTH TO DATE    1.75                      2.94  -1.19     1.69
  SINCE SEP 1     10.77                      9.30   1.47     7.22
  SINCE JAN 1     42.51                     34.43   8.08    34.20

SNOWFALL (IN)
  YESTERDAY        0.0           3.4  1940   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       1.0   -0.9       T
  SINCE SEP 1      0.1                       1.2   -1.1       T
  SINCE JUL 1      0.1                       1.2   -1.1       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        31    -18       19
  MONTH TO DATE  708                       676     32      501
  SINCE SEP 1    996                      1178   -182      790
  SINCE JUL 1   1001                      1191   -190      790

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE SEP 1    208                       103    105      192
  SINCE JAN 1    991                       843    148     1157
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    15.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59           700 PM
 LOWEST     37          1100 PM
 AVERAGE    48

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        68      1998
 MINIMUM TEMPERATURE (F)   26        -2      1872


SUNRISE AND SUNSET
NOVEMBER 29 2017......SUNRISE   658 AM CST   SUNSET   422 PM CST
NOVEMBER 30 2017......SUNRISE   659 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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