Climatological Report (Daily)
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CDUS43 KLOT 180634
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST THU JAN 18 2018


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR JANUARY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22    340 PM  44    2015  30     -8       39
  MINIMUM          6    726 AM  -8    1997  16    -10       35
  AVERAGE         14                        23     -9       37

PRECIPITATION (IN)
  YESTERDAY        0.00          0.29 2017   0.06  -0.06     0.29
  MONTH TO DATE    0.20                      0.90  -0.70     1.56
  SINCE DEC 1      0.47                      2.73  -2.26     2.78
  SINCE JAN 1      0.20                      0.90  -0.70     1.56

DEGREE DAYS
 HEATING
  YESTERDAY       51                        42      9       28
  MONTH TO DATE  808                       703    105      707
  SINCE DEC 1   1971                      1850    121     1924
  SINCE JUL 1   3047                      3120    -73     2778

 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)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    10.1



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        44      2013
 MINIMUM TEMPERATURE (F)   16        -5      1997


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   716 AM CST   SUNSET   449 PM CST
JANUARY 19 2018.......SUNRISE   715 AM CST   SUNSET   450 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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