Climatological Report (Daily)
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000
CDUS43 KLOT 280635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU MAY 28 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 27 2015...

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)
 YESTERDAY
  MAXIMUM         74    544 PM  97    2012  74      0       85
  MINIMUM         59   1159 PM  33    1992  52      7       58
  AVERAGE         67                        62      5       72

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        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
  YESTERDAY        2                         2      0        7
  MONTH TO DATE   43                        34      9       53
  SINCE MAR 1     43                        44     -1       54
  SINCE JAN 1     43                        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    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           200 AM
 LOWEST     49           500 PM
 AVERAGE    68

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


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


SUNRISE AND SUNSET
MAY 28 2015...........SUNRISE   521 AM CDT   SUNSET   817 PM CDT
MAY 29 2015...........SUNRISE   520 AM CDT   SUNSET   818 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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