Climatological Report (Daily)
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CDUS43 KLOT 042143
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON MAY 4 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 4 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         74    148 PM  92    1952  66      8       58
  MINIMUM         58    545 AM  32    1954  45     13       44
  AVERAGE         66                        56     10       51

PRECIPITATION (IN)
  TODAY            T             1.70 1990   0.11  -0.11     0.00
  MONTH TO DATE    0.42                      0.46  -0.04     0.09
  SINCE MAR 1      4.39                      6.34  -1.95     4.64
  SINCE JAN 1      7.25                      9.86  -2.61     9.94

SNOWFALL (IN)
  TODAY            0.0           T    1891   0.0    0.0      0.0
                                      1907
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0

DEGREE DAYS
 HEATING
  TODAY            0                        10    -10       14
  MONTH TO DATE   14                        42    -28       56
  SINCE MAR 1   1384                      1375      9     1569
  SINCE JUL 1   6564                      6109    455     6984

 COOLING
  TODAY            1                         1      0        0
  MONTH TO DATE    3                         2      1        0
  SINCE MAR 1      3                        12     -9        1
  SINCE JAN 1      3                        12     -9        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     9.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           600 AM
 LOWEST     48           100 AM
 AVERAGE    68

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        94      1949
 MINIMUM TEMPERATURE (F)   45        32      1992


SUNRISE AND SUNSET
MAY  4 2015...........SUNRISE   544 AM CDT   SUNSET   753 PM CDT
MAY  5 2015...........SUNRISE   543 AM CDT   SUNSET   754 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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