Climatological Report (Daily)
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000
CDUS43 KLOT 222235
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST WED NOV 22 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 22 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         35    239 PM  69    1913  45    -10       41
  MINIMUM         22    713 AM   4    1880  30     -8       25
  AVERAGE         29                        37     -8       33

PRECIPITATION (IN)
  TODAY            0.00          1.37 2010   0.11  -0.11     0.02
  MONTH TO DATE    1.75                      2.31  -0.56     0.44
  SINCE SEP 1     10.77                      8.67   2.10     5.97
  SINCE JAN 1     42.51                     33.80   8.71    32.95

SNOWFALL (IN)
  TODAY            0.0           2.2  1989   0.0    0.0      0.0
  MONTH TO DATE    0.1                       0.5   -0.4       T
  SINCE SEP 1      0.1                       0.7   -0.6       T
  SINCE JUL 1      0.1                       0.7   -0.6       T

DEGREE DAYS
 HEATING
  TODAY           36                        28      8       32
  MONTH TO DATE  583                       499     84      352
  SINCE SEP 1    871                      1001   -130      641
  SINCE JUL 1    876                      1014   -138      641

 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    15   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           500 AM
 LOWEST     43           100 PM
 AVERAGE    59

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        69      1931
 MINIMUM TEMPERATURE (F)   29        -1      1950


SUNRISE AND SUNSET
NOVEMBER 22 2017......SUNRISE   650 AM CST   SUNSET   425 PM CST
NOVEMBER 23 2017......SUNRISE   651 AM CST   SUNSET   425 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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