Climatological Report (Daily)
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CDUS43 KLOT 020634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN APR 2 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 1 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         59    242 PM  83    2010  53      6       49
  MINIMUM         34    536 AM  17    1881  34      0       35
  AVERAGE         47                        44      3       42

PRECIPITATION (IN)
  YESTERDAY        0.00          1.58 1967   0.10  -0.10     0.08
  MONTH TO DATE    0.00                      0.10  -0.10     0.08
  SINCE MAR 1      4.01                      2.60   1.41     3.42
  SINCE JAN 1      8.40                      6.12   2.28     5.49

SNOWFALL (IN)
  YESTERDAY        0.0           8.2  1970   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE MAR 1      7.8                       5.7    2.1      2.6
  SINCE JUL 1     26.1                      35.2   -9.1     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        22     -4       23
  MONTH TO DATE   18                        22     -4       23
  SINCE MAR 1    803                       863    -60      688
  SINCE JUL 1   4728                      5597   -869     4696

 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    13   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     5.7


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    82           200 AM
 LOWEST     20          1200 PM
 AVERAGE    51

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        82      1963
 MINIMUM TEMPERATURE (F)   34        18      1899
                                             1896


SUNRISE AND SUNSET
APRIL  2 2017.........SUNRISE   632 AM CDT   SUNSET   719 PM CDT
APRIL  3 2017.........SUNRISE   631 AM CDT   SUNSET   720 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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