Climatological Report (Daily)
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CDUS43 KLOT 270638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT WED MAY 27 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 26 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    319 PM  94    1911  73      1       87
  MINIMUM         64    345 AM  34    1983  51     13       61
  AVERAGE         69                        62      7       74

PRECIPITATION (IN)
  YESTERDAY        0.50          1.78 1913   0.11   0.39     0.00
  MONTH TO DATE    4.05                      3.08   0.97     4.74
  SINCE MAR 1      8.02                      8.96  -0.94     9.29
  SINCE JAN 1     10.88                     12.48  -1.60    14.59

SNOWFALL (IN)
  YESTERDAY        0.0           T    1889   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                       203    -39      194
  SINCE MAR 1   1534                      1536     -2     1707
  SINCE JUL 1   6714                      6270    444     7122

 COOLING
  YESTERDAY        4                         2      2        9
  MONTH TO DATE   41                        32      9       46
  SINCE MAR 1     41                        42     -1       47
  SINCE JAN 1     41                        42     -1       47
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     68           300 PM
 AVERAGE    81

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        97      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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