Climatological Report (Daily)
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000
CDUS43 KLOT 240633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST FRI FEB 24 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 23 2017...

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)
 YESTERDAY
  MAXIMUM         59   1211 AM  66    2000  38     21       45
  MINIMUM         38    833 PM -18    1873  23     15       26
  AVERAGE         49                        30     19       36

PRECIPITATION (IN)
  YESTERDAY        0.21          1.45 1985   0.08   0.13     0.00
  MONTH TO DATE    0.72                      1.40  -0.68     1.00
  SINCE DEC 1      5.36                      5.38  -0.02     6.71
  SINCE JAN 1      3.59                      3.13   0.46     1.84

SNOWFALL (IN)
  YESTERDAY        0.0           5.5  1967   0.3   -0.3      0.0
  MONTH TO DATE    T                         7.7   -7.7      3.8
  SINCE DEC 1     18.3                      26.7   -8.4     14.6
  SINCE JUL 1     18.3                      28.1   -9.8     25.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        35    -19       29
  MONTH TO DATE  618                       875   -257      833
  SINCE DEC 1   2966                      3309   -343     2872
  SINCE JUL 1   3795                      4565   -770     3845

 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    23   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    12.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1100 PM
 LOWEST     66          1000 AM
 AVERAGE    79

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


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 2017......SUNRISE   634 AM CST   SUNSET   536 PM CST
FEBRUARY 25 2017......SUNRISE   632 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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