Climatological Report (Daily)
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CDUS43 KLOT 232233
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CST THU NOV 23 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 23 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         46    249 PM  69    1931  44      2       44
  MINIMUM         32   1201 AM  -1    1950  29      3       37
  AVERAGE         39                        37      2       41

PRECIPITATION (IN)
  TODAY            0.00          1.55 1983   0.11  -0.11     0.21
  MONTH TO DATE    1.75                      2.42  -0.67     0.65
  SINCE SEP 1     10.77                      8.78   1.99     6.18
  SINCE JAN 1     42.51                     33.91   8.60    33.16

SNOWFALL (IN)
  TODAY            0.0           2.0  1981   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.6   -0.5       T
  SINCE SEP 1      0.1                       0.8   -0.7       T
  SINCE JUL 1      0.1                       0.8   -0.7       T

DEGREE DAYS
 HEATING
  TODAY           26                        28     -2       24
  MONTH TO DATE  609                       527     82      376
  SINCE SEP 1    897                      1029   -132      665
  SINCE JUL 1    902                      1042   -140      665

 COOLING
  TODAY            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    16   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    61           800 AM
 LOWEST     38           200 PM
 AVERAGE    50

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        69      1966
 MINIMUM TEMPERATURE (F)   29        -2      1950


SUNRISE AND SUNSET
NOVEMBER 23 2017......SUNRISE   651 AM CST   SUNSET   425 PM CST
NOVEMBER 24 2017......SUNRISE   653 AM CST   SUNSET   424 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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