Climatological Report (Daily)
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CDUS43 KLOT 210633
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SUN JAN 21 2018


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JANUARY 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    311 PM  53    1954  31     16       47
  MINIMUM         33    747 AM -25    1985  18     15       37
  AVERAGE         40                        25     15       42

PRECIPITATION (IN)
  YESTERDAY        0.00          0.99 1974   0.06  -0.06     0.18
  MONTH TO DATE    0.21                      1.43  -1.22     2.65
  SINCE DEC 1      0.38                      4.00  -3.62     3.90
  SINCE JAN 1      0.21                      1.43  -1.22     2.65

DEGREE DAYS
 HEATING
  YESTERDAY       25                        40    -15       23
  MONTH TO DATE  903                       799    104      746
  SINCE DEC 1   2030                      1915    115     1914
  SINCE JUL 1   3013                      3050    -37     2626

 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 (220)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     9.2



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      2017
 MINIMUM TEMPERATURE (F)   18       -17      1984


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   713 AM CST   SUNSET   453 PM CST
JANUARY 22 2018.......SUNRISE   712 AM CST   SUNSET   454 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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