Climatological Report (Daily)
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CDUS43 KLOT 030631
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE APR 3 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 2 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         44    258 PM  82    1963  54    -10       61
  MINIMUM         21    521 AM  18    1899  34    -13       42
                                      1896
  AVERAGE         33                        44    -11       52

PRECIPITATION (IN)
  YESTERDAY        0.00          1.64 1983   0.11  -0.11      T
  MONTH TO DATE    0.00                      0.21  -0.21      T
  SINCE MAR 1      1.74                      2.71  -0.97     4.01
  SINCE JAN 1      7.92                      6.23   1.69     8.40

SNOWFALL (IN)
  YESTERDAY        0.0           9.4  1975   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.2   -0.2      0.0
  SINCE MAR 1      2.6                       5.8   -3.2      7.8
  SINCE JUL 1     32.9                      35.3   -2.4     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        21     11       13
  MONTH TO DATE   67                        43     24       31
  SINCE MAR 1    934                       884     50      816
  SINCE JUL 1   5392                      5618   -226     4741

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


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           600 AM
 LOWEST     29           200 PM
 AVERAGE    55

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        81      1956
 MINIMUM TEMPERATURE (F)   35        17      1987
                                             1879


SUNRISE AND SUNSET
APRIL  3 2018.........SUNRISE   631 AM CDT   SUNSET   719 PM CDT
APRIL  4 2018.........SUNRISE   629 AM CDT   SUNSET   721 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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