Climatological Report (Daily)
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CDUS43 KLOT 210633
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT OCT 21 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    256 PM  86    1953  61     19       60
  MINIMUM         54    401 AM  20    1930  44     10       47
  AVERAGE         67                        53     14       54

PRECIPITATION (IN)
  YESTERDAY        0.00          0.86 1934   0.10  -0.10     0.00
  MONTH TO DATE    3.01                      2.02   0.99     3.06
  SINCE SEP 1      3.57                      5.33  -1.76     3.89
  SINCE JAN 1     31.62                     31.88  -0.26    28.54

DEGREE DAYS
 HEATING
  YESTERDAY        0                        12    -12       11
  MONTH TO DATE   50                       189   -139       77
  SINCE SEP 1     72                       266   -194       88
  SINCE JUL 1     77                       271   -194       88

 COOLING
  YESTERDAY        2                         0      2        0
  MONTH TO DATE   36                        13     23       38
  SINCE SEP 1    240                       132    108      267
  SINCE JAN 1   1146                      1042    104     1459
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    10.0



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)   61        87      1953
 MINIMUM TEMPERATURE (F)   44        26      1952


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   710 AM CDT   SUNSET   600 PM CDT
OCTOBER 22 2017.......SUNRISE   712 AM CDT   SUNSET   559 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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