Climatological Report (Daily)
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CDUS43 KLOT 212134
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT THU SEP 21 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 21 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         95R   259 PM  92    1970  73     22
                                      1941
  MINIMUM         74    627 AM  40    1930  55     19
  AVERAGE         85                        64     21

PRECIPITATION (IN)
  TODAY            0.00          1.67 1947   0.11  -0.11
  MONTH TO DATE    0.56                      2.37  -1.81
  SINCE SEP 1      0.56                      2.37  -1.81
  SINCE JAN 1     28.61                     28.92  -0.31

DEGREE DAYS
 HEATING
  TODAY            0                         3     -3
  MONTH TO DATE   18                        35    -17
  SINCE SEP 1     18                        35    -17
  SINCE JUL 1     23                        40    -17

 COOLING
  TODAY           20                         3     17
  MONTH TO DATE  110                       103      7
  SINCE SEP 1    110                       103      7
  SINCE JAN 1   1016                      1013      3
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     5.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1937
 MINIMUM TEMPERATURE (F)   55        34      1974


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   638 AM CDT   SUNSET   649 PM CDT
SEPTEMBER 22 2017.....SUNRISE   639 AM CDT   SUNSET   648 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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