Climatological Report (Daily)
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CDUS43 KLOT 200634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST TUE FEB 20 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 19 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         60   1057 PM  69    2017  37     23       69
  MINIMUM         37    618 AM  -8    2015  21     16       35
  AVERAGE         49                        29     20       52

PRECIPITATION (IN)
  YESTERDAY        0.52          0.95 1994   0.07   0.45     0.00
  MONTH TO DATE    2.27                      1.11   1.16     0.47
  SINCE DEC 1      4.40                      5.09  -0.69     5.11
  SINCE JAN 1      3.81                      2.84   0.97     3.34

SNOWFALL (IN)
  YESTERDAY        0.0           4.0  1898   0.3   -0.3      0.0
  MONTH TO DATE   20.3                       6.5   13.8       T
  SINCE DEC 1     30.2                      25.5    4.7     18.3
  SINCE JUL 1     30.3                      26.9    3.4     18.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        36    -20       13
  MONTH TO DATE  799                       734     65      580
  SINCE DEC 1   3209                      3168     41     2928
  SINCE JUL 1   4252                      4424   -172     3757

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 PM
 LOWEST     76           200 AM
 AVERAGE    88

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        70      2017
 MINIMUM TEMPERATURE (F)   22        -9      1896


SUNRISE AND SUNSET
FEBRUARY 20 2018......SUNRISE   640 AM CST   SUNSET   531 PM CST
FEBRUARY 21 2018......SUNRISE   639 AM CST   SUNSET   532 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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