Climatological Report (Daily)
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CDUS43 KLOT 192140
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT TUE SEP 19 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 19 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         78    135 PM  93    1955  74      4
  MINIMUM         66    257 AM  37    1929  56     10
  AVERAGE         72                        65      7

PRECIPITATION (IN)
  TODAY            0.23          0.94 1968   0.12   0.11
  MONTH TO DATE    0.56                      2.14  -1.58
  SINCE SEP 1      0.56                      2.14  -1.58
  SINCE JAN 1     28.61                     28.69  -0.08

DEGREE DAYS
 HEATING
  TODAY            0                         3     -3
  MONTH TO DATE   18                        29    -11
  SINCE SEP 1     18                        29    -11
  SINCE JUL 1     23                        34    -11

 COOLING
  TODAY            7                         3      4
  MONTH TO DATE   76                        97    -21
  SINCE SEP 1     76                        97    -21
  SINCE JAN 1    982                      1007    -25
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        92      1931
 MINIMUM TEMPERATURE (F)   56        38      1956
                                             1937


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   636 AM CDT   SUNSET   653 PM CDT
SEPTEMBER 20 2017.....SUNRISE   637 AM CDT   SUNSET   651 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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