Climatological Report (Daily)
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000
CDUS43 KLOT 240647
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1245 AM CST TUE JAN 24 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 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         42    501 PM  65    1909  31     11       33
  MINIMUM         36    914 PM -18    1963  16     20       20
  AVERAGE         39                        24     15       27

PRECIPITATION (IN)
  YESTERDAY        0.00          0.89 1999   0.05  -0.05      T
  MONTH TO DATE    2.74                      1.33   1.41     0.67
  SINCE DEC 1      4.51                      3.58   0.93     5.54
  SINCE JAN 1      2.74                      1.33   1.41     0.67

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1897   0.4   -0.4       T
  MONTH TO DATE    0.4                       7.9   -7.5      6.3
  SINCE DEC 1     18.1                      16.1    2.0     10.8
  SINCE JUL 1     18.1                      17.5    0.6     22.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        41    -15       38
  MONTH TO DATE  846                       951   -105      984
  SINCE DEC 1   2077                      2106    -29     1784
  SINCE JUL 1   2906                      3362   -456     2757

 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    16   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     76           400 PM
 AVERAGE    88

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        65      1967
 MINIMUM TEMPERATURE (F)   16       -15      1897


SUNRISE AND SUNSET
JANUARY 24 2017.......SUNRISE   711 AM CST   SUNSET   457 PM CST
JANUARY 25 2017.......SUNRISE   710 AM CST   SUNSET   458 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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