Climatological Report (Daily)
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CDUS43 KLOT 012140
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT FRI MAY 1 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 1 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         67    227 PM  90    1951  65      2       49
  MINIMUM         38    454 AM  30    1943  44     -6       42
  AVERAGE         53                        54     -1       46

PRECIPITATION (IN)
  TODAY            0.00          2.35 1873   0.11  -0.11     0.09
  MONTH TO DATE    0.00                      0.11  -0.11     0.09
  SINCE MAR 1      3.97                      5.99  -2.02     4.64
  SINCE JAN 1      6.83                      9.51  -2.68     9.94

SNOWFALL (IN)
  TODAY            0.0           1.6  1940   0.0    0.0      0.0
  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           12                        11      1       19
  MONTH TO DATE   12                        11      1       19
  SINCE MAR 1   1382                      1344     38     1532
  SINCE JUL 1   6562                      6078    484     6947

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                        10    -10        1
  SINCE JAN 1      0                        10    -10        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     5.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           500 AM
 LOWEST     37           100 PM
 AVERAGE    65

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        91      1959
 MINIMUM TEMPERATURE (F)   44        27      1875


SUNRISE AND SUNSET
MAY  1 2015...........SUNRISE   548 AM CDT   SUNSET   750 PM CDT
MAY  2 2015...........SUNRISE   547 AM CDT   SUNSET   751 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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