Climatological Report (Daily)
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CDUS43 KLOT 190634
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE SEP 19 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 18 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         76   1115 AM  94    1955  75      1       82
  MINIMUM         59    456 AM  39    1929  57      2       63
  AVERAGE         68                        66      2       73

PRECIPITATION (IN)
  YESTERDAY        0.00          3.15 2015   0.11  -0.11     0.00
  MONTH TO DATE    0.33                      2.02  -1.69     0.34
  SINCE SEP 1      0.33                      2.02  -1.69     0.34
  SINCE JAN 1     28.38                     28.57  -0.19    24.99

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   18                        26     -8        0
  SINCE SEP 1     18                        26     -8        0
  SINCE JUL 1     23                        31     -8        0

 COOLING
  YESTERDAY        3                         3      0        8
  MONTH TO DATE   69                        94    -25      159
  SINCE SEP 1     69                        94    -25      159
  SINCE JAN 1    975                      1004    -29     1351
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     8.3



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1955
 MINIMUM TEMPERATURE (F)   56        37      1929


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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