Climatological Report (Daily)
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835
CDUS43 KLOT 192252
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
451 PM CST MON FEB 19 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 19 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         58    359 PM  69    2017  37     21       69
  MINIMUM         37    618 AM  -8    2015  21     16       35
  AVERAGE         48                        29     19       52

PRECIPITATION (IN)
  TODAY            0.12          0.95 1994   0.07   0.05     0.00
  MONTH TO DATE    1.87                      1.11   0.76     0.47
  SINCE DEC 1      4.00                      5.09  -1.09     5.11
  SINCE JAN 1      3.41                      2.84   0.57     3.34

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY           17                        36    -19       13
  MONTH TO DATE  800                       734     66      580
  SINCE DEC 1   3210                      3168     42     2928
  SINCE JUL 1   4253                      4424   -171     3757

 COOLING
  TODAY            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    31   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     9.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


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

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


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


SUNRISE AND SUNSET
FEBRUARY 19 2018......SUNRISE   642 AM CST   SUNSET   530 PM CST
FEBRUARY 20 2018......SUNRISE   640 AM CST   SUNSET   531 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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