Climatological Report (Daily)
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000
CDUS43 KLOT 110650
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
149 AM CDT WED APR 11 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 10 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         46    140 PM  90    1930  57    -11       78
  MINIMUM         28    518 AM  18    1989  37     -9       41
  AVERAGE         37                        47    -10       60

PRECIPITATION (IN)
  YESTERDAY        T             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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       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
  YESTERDAY        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     8.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


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

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


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


SUNRISE AND SUNSET
APRIL 11 2018.........SUNRISE   618 AM CDT   SUNSET   728 PM CDT
APRIL 12 2018.........SUNRISE   616 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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