Climatological Report (Daily)
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CDUS43 KLOT 302142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CDT THU MAR 30 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 30 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         44    259 PM  79    1998  52     -8       62
                                      1986
  MINIMUM         42    820 AM  12    1969  34      8       42
                                      1964
  AVERAGE         43                        43      0       52

PRECIPITATION (IN)
  TODAY            1.67R         1.36 1949   0.09   1.58     0.13
  MONTH TO DATE    3.82                      2.40   1.42     2.95
  SINCE MAR 1      3.82                      2.40   1.42     2.95
  SINCE JAN 1      8.21                      5.92   2.29     5.02

SNOWFALL (IN)
  TODAY            0.0           7.8  1926   0.1   -0.1      0.0
  MONTH TO DATE    7.8                       5.5    2.3      2.6
  SINCE MAR 1      7.8                       5.5    2.3      2.6
  SINCE JUL 1     26.1                      35.0   -8.9     30.1

DEGREE DAYS
 HEATING
  TODAY           22                        22      0       13
  MONTH TO DATE  759                       820    -61      656
  SINCE MAR 1    759                       820    -61      656
  SINCE JUL 1   4684                      5554   -870     4664

 COOLING
  TODAY            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    28   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED    15.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 AM
 LOWEST     82          1200 AM
 AVERAGE    86

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   53        87      1981
 MINIMUM TEMPERATURE (F)   34        12      1969
                                             1923


SUNRISE AND SUNSET
MARCH 30 2017.........SUNRISE   637 AM CDT   SUNSET   715 PM CDT
MARCH 31 2017.........SUNRISE   636 AM CDT   SUNSET   716 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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