Climatological Report (Daily)
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000
CDUS43 KLOT 240637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST SAT FEB 24 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 23 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         44    947 AM  66    2000  38      6       59
  MINIMUM         33   1159 PM -18    1873  23     10       38
  AVERAGE         39                        30      9       49

PRECIPITATION (IN)
  YESTERDAY        0.06          1.45 1985   0.08  -0.02     0.21
  MONTH TO DATE    4.47                      1.40   3.07     0.72
  SINCE DEC 1      6.60                      5.38   1.22     5.36
  SINCE JAN 1      6.01                      3.13   2.88     3.59

SNOWFALL (IN)
  YESTERDAY        0.0           5.5  1967   0.3   -0.3      0.0
  MONTH TO DATE   20.3                       7.7   12.6       T
  SINCE DEC 1     30.2                      26.7    3.5     18.3
  SINCE JUL 1     30.3                      28.1    2.2     18.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        35     -9       16
  MONTH TO DATE  904                       875     29      618
  SINCE DEC 1   3314                      3309      5     2966
  SINCE JUL 1   4357                      4565   -208     3795

 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    20   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           700 AM
 LOWEST     70           600 PM
 AVERAGE    82

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        64      1930
 MINIMUM TEMPERATURE (F)   23       -11      1873


SUNRISE AND SUNSET
FEBRUARY 24 2018......SUNRISE   634 AM CST   SUNSET   536 PM CST
FEBRUARY 25 2018......SUNRISE   633 AM CST   SUNSET   537 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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