Climatological Report (Daily)
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CDUS43 KLOT 200638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST TUE JAN 20 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 19 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         41    158 PM  57    1933  31     10       37
  MINIMUM         25    751 AM -23    1985  16      9       10
  AVERAGE         33                        23     10       24

PRECIPITATION (IN)
  YESTERDAY        T             1.72 1907   0.05  -0.05     0.00
  MONTH TO DATE    1.11                      1.12  -0.01     2.37
  SINCE DEC 1      1.90                      3.37  -1.47     4.31
  SINCE JAN 1      1.11                      1.12  -0.01     2.37

SNOWFALL (IN)
  YESTERDAY        T             8.8  1963   0.3   -0.3      0.0
  MONTH TO DATE   10.8                       6.4    4.4     23.8
  SINCE DEC 1     10.8                      14.9   -4.1     38.0
  SINCE JUL 1     13.7                      16.3   -2.6     38.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        42    -10       41
  MONTH TO DATE  884                       784    100      891
  SINCE DEC 1   1899                      1939    -40     2174
  SINCE JUL 1   3342                      3195    147     3457

 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    12   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     64           100 PM
 AVERAGE    82

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        63      1906
 MINIMUM TEMPERATURE (F)   16       -27      1985


SUNRISE AND SUNSET
JANUARY 20 2015.......SUNRISE   714 AM CST   SUNSET   451 PM CST
JANUARY 21 2015.......SUNRISE   714 AM CST   SUNSET   452 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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