Climatological Report (Daily)
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CDUS43 KLOT 042136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT WED APR 4 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 4 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         35   1254 PM  79    1929  54    -19       56
                                      1921
  MINIMUM         26    529 AM  16    1975  35     -9       43
  AVERAGE         31                        45    -14       50

PRECIPITATION (IN)
  TODAY            0.01          1.90 1947   0.11  -0.10     0.02
  MONTH TO DATE    0.21                      0.42  -0.21     0.21
  SINCE MAR 1      1.95                      2.92  -0.97     4.22
  SINCE JAN 1      8.13                      6.44   1.69     8.61

SNOWFALL (IN)
  TODAY            0.2           6.4  1920   0.1    0.1      0.0
  MONTH TO DATE    0.2                       0.4   -0.2      0.0
  SINCE MAR 1      2.8                       6.0   -3.2      7.8
  SINCE JUL 1     33.1                      35.5   -2.4     26.1

DEGREE DAYS
 HEATING
  TODAY           34                        20     14       15
  MONTH TO DATE  129                        84     45       61
  SINCE MAR 1    996                       925     71      846
  SINCE JUL 1   5454                      5659   -205     4771

 COOLING
  TODAY            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    28   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    18.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1200 AM
 LOWEST     51           300 PM
 AVERAGE    70

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        85      1988
 MINIMUM TEMPERATURE (F)   35        18      1995
                                             1979


SUNRISE AND SUNSET
APRIL  4 2018.........SUNRISE   629 AM CDT   SUNSET   721 PM CDT
APRIL  5 2018.........SUNRISE   628 AM CDT   SUNSET   722 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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