Climatological Report (Daily)
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237
CDUS43 KLOT 272140
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT SUN MAY 27 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 27 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         97R   259 PM  97    2012  74     23       78
  MINIMUM         70    431 AM  33    1992  52     18       52
  AVERAGE         84                        62     22       65

PRECIPITATION (IN)
  TODAY            0.00          1.80 1939   0.12  -0.12     0.00
  MONTH TO DATE    7.31                      3.20   4.11     3.28
  SINCE MAR 1     11.77                      9.08   2.69    13.72
  SINCE JAN 1     17.95                     12.60   5.35    18.11

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

DEGREE DAYS
 HEATING
  TODAY            0                         5     -5        0
  MONTH TO DATE  105                       208   -103      232
  SINCE MAR 1   1677                      1541    136     1356
  SINCE JUL 1   6135                      6275   -140     5281

 COOLING
  TODAY           19                         2     17        0
  MONTH TO DATE   93                        34     59       18
  SINCE MAR 1     93                        44     49       30
  SINCE JAN 1     93                        44     49       30
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           500 AM
 LOWEST     27           300 PM
 AVERAGE    53

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


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 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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