Climatological Report (Daily)
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CDUS43 KLOT 270633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN MAY 27 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 26 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         90    526 PM  94    1911  73     17       71
  MINIMUM         70    556 AM  34    1983  51     19       52
  AVERAGE         80                        62     18       62

PRECIPITATION (IN)
  YESTERDAY        0.00          1.78 1913   0.11  -0.11     0.53
  MONTH TO DATE    7.31                      3.08   4.23     3.28
  SINCE MAR 1     11.77                      8.96   2.81    13.72
  SINCE JAN 1     17.95                     12.48   5.47    18.11

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      5.8                       6.8   -1.0      7.8
  SINCE JUL 1     36.1                      36.3   -0.2     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        3
  MONTH TO DATE  105                       203    -98      232
  SINCE MAR 1   1677                      1536    141     1356
  SINCE JUL 1   6135                      6270   -135     5281

 COOLING
  YESTERDAY       15                         2     13        0
  MONTH TO DATE   74                        32     42       18
  SINCE MAR 1     74                        42     32       30
  SINCE JAN 1     74                        42     32       30
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     7.0


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    79           200 AM
 LOWEST     37           300 PM
 AVERAGE    58

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


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 2018...........SUNRISE   521 AM CDT   SUNSET   817 PM CDT
MAY 28 2018...........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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