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Climatological Report (Daily)
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CDUS43 KLOT 180904
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
303 AM CST SUN NOV 18 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35    917 PM  74    1975  47    -12       48
                                      1971
                                      1952
  MINIMUM         32   1159 PM   3    1959  32      0       35
  AVERAGE         34                        40     -6       42

PRECIPITATION (IN)
  YESTERDAY        0.13          1.43 1892   0.11   0.02     0.14
  MONTH TO DATE    1.38                      1.77  -0.39     1.19
  SINCE SEP 1      9.82                      8.13   1.69    10.21
  SINCE JAN 1     44.05                     33.26  10.79    41.95

SNOWFALL (IN)
  YESTERDAY        1.5           3.8  1927   0.1    1.4      0.0
  MONTH TO DATE    3.6                       0.3    3.3      0.1
  SINCE SEP 1      3.6                       0.5    3.1      0.1
  SINCE JUL 1      3.6                       0.5    3.1      0.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       31                        25      6       23
  MONTH TO DATE  486                       365    121      440
  SINCE SEP 1    945                       867     78      728
  SINCE JUL 1    945                       880     65      733

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1    213                       103    110      208
  SINCE JAN 1   1290                       843    447      991
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           800 AM
 LOWEST     70           900 PM
 AVERAGE    81

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        72      1953
 MINIMUM TEMPERATURE (F)   32         8      1880


SUNRISE AND SUNSET
NOVEMBER 18 2018......SUNRISE   645 AM CST   SUNSET   428 PM CST
NOVEMBER 19 2018......SUNRISE   646 AM CST   SUNSET   427 PM CST


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




$$
National Weather Service National Headquarters
