Climatological Report (Daily)
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000
CDUS43 KLOT 102142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT MON APR 10 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 10 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         78   1049 AM  90    1930  57     21       50
  MINIMUM         63    736 AM  18    1989  37     26       33
  AVERAGE         71                        47     24       42

PRECIPITATION (IN)
  TODAY            0.02          2.53 1922   0.11  -0.09     0.10
  MONTH TO DATE    1.56                      1.07   0.49     0.69
  SINCE MAR 1      5.57                      3.57   2.00     4.03
  SINCE JAN 1      9.96                      7.09   2.87     6.10

SNOWFALL (IN)
  TODAY            0.0           0.8  1973   0.0    0.0       T
  MONTH TO DATE    0.0                       0.7   -0.7      1.1
  SINCE MAR 1      7.8                       6.3    1.5      3.7
  SINCE JUL 1     26.1                      35.8   -9.7     31.2

DEGREE DAYS
 HEATING
  TODAY            0                        18    -18       23
  MONTH TO DATE  133                       199    -66      268
  SINCE MAR 1    918                      1040   -122      933
  SINCE JUL 1   4843                      5774   -931     4941

 COOLING
  TODAY            6                         0      6        0
  MONTH TO DATE    8                         0      8        0
  SINCE MAR 1      8                         1      7        0
  SINCE JAN 1      8                         1      7        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    17.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68           100 PM
 LOWEST     38          1000 AM
 AVERAGE    53

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        90      1930
 MINIMUM TEMPERATURE (F)   37        25      1989
                                             1973
                                             1882


SUNRISE AND SUNSET
APRIL 10 2017.........SUNRISE   619 AM CDT   SUNSET   727 PM CDT
APRIL 11 2017.........SUNRISE   617 AM CDT   SUNSET   729 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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