Climatological Report (Daily)
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000
CDUS43 KLOT 280707
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
206 AM CDT TUE MAR 28 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 27 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         52    216 AM  82    1945  51      1       63
  MINIMUM         42   1159 PM  12    1996  33      9       36
  AVERAGE         47                        42      5       50

PRECIPITATION (IN)
  YESTERDAY        T             1.28 1908   0.09  -0.09     0.32
  MONTH TO DATE    2.04                      2.13  -0.09     2.82
  SINCE MAR 1      2.04                      2.13  -0.09     2.82
  SINCE JAN 1      6.43                      5.65   0.78     4.89

SNOWFALL (IN)
  YESTERDAY        0.0           2.9  1942   0.2   -0.2      0.0
  MONTH TO DATE    7.8                       5.2    2.6      2.6
  SINCE MAR 1      7.8                       5.2    2.6      2.6
  SINCE JUL 1     26.1                      34.7   -8.6     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        23     -5       15
  MONTH TO DATE  692                       752    -60      602
  SINCE MAR 1    692                       752    -60      602
  SINCE JUL 1   4617                      5486   -869     4610

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     74           200 PM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        79      1986
 MINIMUM TEMPERATURE (F)   33         9      1887


SUNRISE AND SUNSET
MARCH 28 2017.........SUNRISE   641 AM CDT   SUNSET   713 PM CDT
MARCH 29 2017.........SUNRISE   639 AM CDT   SUNSET   714 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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