Climatological Report (Daily)
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000
CDUS43 KLOT 180648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT FRI OCT 18 2019


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 17 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    104 PM  86    1950  62     -8       51
  MINIMUM         40   1159 PM  26    1948  42     -2       38
  AVERAGE         47                        52     -5       45

PRECIPITATION (IN)
  YESTERDAY        0.00          3.61 1988   0.10  -0.10     0.00
  MONTH TO DATE    3.38                      1.69   1.69     4.17
  SINCE SEP 1     10.99                      4.90   6.09     7.82
  SINCE JAN 1     42.74                     30.03  12.71    42.05

SNOWFALL (IN)
  YESTERDAY        0.0           T    1976   0.0    0.0      0.0
                                      1930
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        13      5       20
  MONTH TO DATE  179                       180     -1      161
  SINCE SEP 1    190                       285    -95      217
  SINCE JUL 1    190                       298   -108      217

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   12                        10      2       31
  SINCE SEP 1    164                       102     62      213
  SINCE JAN 1    960                       842    118     1290
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1000 PM
 LOWEST     59          1100 AM
 AVERAGE    74

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        87      1950
 MINIMUM TEMPERATURE (F)   42        20      1948


SUNRISE AND SUNSET
OCTOBER 18 2019.......SUNRISE   707 AM CDT   SUNSET   606 PM CDT
OCTOBER 19 2019.......SUNRISE   708 AM CDT   SUNSET   604 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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