Climatological Report (Daily)
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000
CDUS43 KLOT 272142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CDT WED MAY 27 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 27 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   1228 PM  97    2012  74      0       85
  MINIMUM         64    551 AM  33    1992  52     12       58
  AVERAGE         69                        62      7       72

PRECIPITATION (IN)
  TODAY            T             1.80 1939   0.12  -0.12     0.21
  MONTH TO DATE    4.05                      3.20   0.85     4.95
  SINCE MAR 1      8.02                      9.08  -1.06     9.50
  SINCE JAN 1     10.88                     12.60  -1.72    14.80

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   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            0                         5     -5        0
  MONTH TO DATE  164                       208    -44      194
  SINCE MAR 1   1534                      1541     -7     1707
  SINCE JUL 1   6714                      6275    439     7122

 COOLING
  TODAY            4                         2      2        7
  MONTH TO DATE   45                        34     11       53
  SINCE MAR 1     45                        44      1       54
  SINCE JAN 1     45                        44      1       54
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           200 AM
 LOWEST     61          1200 PM
 AVERAGE    74

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      2012
 MINIMUM TEMPERATURE (F)   52        33      1992


SUNRISE AND SUNSET
MAY 27 2015...........SUNRISE   522 AM CDT   SUNSET   816 PM CDT
MAY 28 2015...........SUNRISE   521 AM CDT   SUNSET   817 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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