Climatological Report (Daily)
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000
CDUS43 KLOT 230643
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
142 AM CDT MON APR 23 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 22 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         62    205 PM  91    1980  62      0       60
  MINIMUM         42    511 AM  24    1986  41      1       38
  AVERAGE         52                        51      1       49

PRECIPITATION (IN)
  YESTERDAY        0.00          1.55 1981   0.12  -0.12     0.00
  MONTH TO DATE    2.70                      2.44   0.26     2.80
  SINCE MAR 1      4.44                      4.94  -0.50     6.81
  SINCE JAN 1     10.62                      8.46   2.16    11.20

SNOWFALL (IN)
  YESTERDAY        0.0           0.2  1893   0.0    0.0      0.0
  MONTH TO DATE    3.2                       1.1    2.1      0.0
  SINCE MAR 1      5.8                       6.7   -0.9      7.8
  SINCE JUL 1     36.1                      36.2   -0.1     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        14     -1       16
  MONTH TO DATE  588                       393    195      251
  SINCE MAR 1   1455                      1234    221     1036
  SINCE JUL 1   5913                      5968    -55     4961

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        9
  SINCE MAR 1      0                         1     -1        9
  SINCE JAN 1      0                         1     -1        9
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    53          1100 PM
 LOWEST     25           100 PM
 AVERAGE    39

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        88      1960
 MINIMUM TEMPERATURE (F)   41        25      1986
                                             1873


SUNRISE AND SUNSET
APRIL 23 2018.........SUNRISE   559 AM CDT   SUNSET   742 PM CDT
APRIL 24 2018.........SUNRISE   557 AM CDT   SUNSET   743 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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