Climatological Report (Daily)
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000
CDUS43 KLOT 300633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT MAY 30 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 29 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         81    137 PM  95    1942  74      7       76
  MINIMUM         63    207 AM  37    1984  52     11       54
                                      1965
  AVERAGE         72                        63      9       65

PRECIPITATION (IN)
  YESTERDAY        0.20          3.45 1981   0.12   0.08     0.00
  MONTH TO DATE    4.25                      3.44   0.81     4.98
  SINCE MAR 1      8.22                      9.32  -1.10     9.53
  SINCE JAN 1     11.08                     12.84  -1.76    14.83

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                         4     -4        0
  MONTH TO DATE  164                       217    -53      195
  SINCE MAR 1   1534                      1550    -16     1708
  SINCE JUL 1   6714                      6284    430     7123

 COOLING
  YESTERDAY        7                         2      5        0
  MONTH TO DATE   53                        38     15       53
  SINCE MAR 1     53                        48      5       54
  SINCE JAN 1     53                        48      5       54
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           400 AM
 LOWEST     54           600 PM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1953
                                             1942
 MINIMUM TEMPERATURE (F)   53        35      1873


SUNRISE AND SUNSET
MAY 30 2015...........SUNRISE   520 AM CDT   SUNSET   819 PM CDT
MAY 31 2015...........SUNRISE   519 AM CDT   SUNSET   820 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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