Climatological Report (Daily)
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000
CDUS43 KLOT 170653
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
153 AM CDT THU AUG 17 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 16 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         92        MM 101    1988  82     10       85
  MINIMUM         70        MM  49    1976  67      3       72
  AVERAGE         81                        74      7       79

PRECIPITATION (IN)
  YESTERDAY        0.11          3.79 1968   0.13  -0.02     0.04
  MONTH TO DATE    0.77                      2.15  -1.38     2.54
  SINCE JUN 1      7.60                     10.22  -2.62     9.05
  SINCE JAN 1     26.92                     24.71   2.21    20.77

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1      3                        32    -29        6
  SINCE JUL 1      3                         1      2        0

 COOLING
  YESTERDAY       16                         9      7       14
  MONTH TO DATE  130                       159    -29      236
  SINCE JUN 1    742                       707     35      912
  SINCE JAN 1    797                       781     16     1019
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SE (120)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.6



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1988
 MINIMUM TEMPERATURE (F)   67        48      1976


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   602 AM CDT   SUNSET   748 PM CDT
AUGUST 18 2017........SUNRISE   603 AM CDT   SUNSET   746 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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