Climatological Report (Daily)
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CDUS43 KLOT 280637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST TUE NOV 28 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 27 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         57   1156 PM  67    1990  42     15       44
  MINIMUM         31    551 AM   2    1887  27      4       32
  AVERAGE         44                        35      9       38

PRECIPITATION (IN)
  YESTERDAY        0.00          2.93 1990   0.11  -0.11     0.05
  MONTH TO DATE    1.75                      2.84  -1.09     0.70
  SINCE SEP 1     10.77                      9.20   1.57     6.23
  SINCE JAN 1     42.51                     34.33   8.18    33.21

SNOWFALL (IN)
  YESTERDAY        0.0           5.8  1891   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.9   -0.8       T
  SINCE SEP 1      0.1                       1.1   -1.0       T
  SINCE JUL 1      0.1                       1.1   -1.0       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        30     -9       27
  MONTH TO DATE  695                       645     50      482
  SINCE SEP 1    983                      1147   -164      771
  SINCE JUL 1    988                      1160   -172      771

 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    23   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     7.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 AM
 LOWEST     46          1100 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        69      1905
 MINIMUM TEMPERATURE (F)   27         0      1887
                                             1872


SUNRISE AND SUNSET
NOVEMBER 28 2017......SUNRISE   657 AM CST   SUNSET   422 PM CST
NOVEMBER 29 2017......SUNRISE   658 AM CST   SUNSET   422 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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