Climatological Report (Daily)
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000
CDUS43 KLOT 102135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE APR 10 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 10 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         46    140 PM  90    1930  57    -11       78
  MINIMUM         28    518 AM  18    1989  37     -9       41
  AVERAGE         37                        47    -10       60

PRECIPITATION (IN)
  TODAY            0.00          2.53 1922   0.11  -0.11     0.32
  MONTH TO DATE    0.42                      1.07  -0.65     1.86
  SINCE MAR 1      2.16                      3.57  -1.41     5.87
  SINCE JAN 1      8.34                      7.09   1.25    10.26

SNOWFALL (IN)
  TODAY            0.0           0.8  1973   0.0    0.0      0.0
  MONTH TO DATE    2.2                       0.7    1.5      0.0
  SINCE MAR 1      4.8                       6.3   -1.5      7.8
  SINCE JUL 1     35.1                      35.8   -0.7     26.1

DEGREE DAYS
 HEATING
  TODAY           28                        18     10        5
  MONTH TO DATE  322                       199    123      138
  SINCE MAR 1   1189                      1040    149      923
  SINCE JUL 1   5647                      5774   -127     4848

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        2
  SINCE MAR 1      0                         1     -1        2
  SINCE JAN 1      0                         1     -1        2
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     40           100 PM
 AVERAGE    66

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


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 2018.........SUNRISE   619 AM CDT   SUNSET   727 PM CDT
APRIL 11 2018.........SUNRISE   618 AM CDT   SUNSET   728 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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