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CDUS43 KLOT 252136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT FRI MAY 25 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 25 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         89    259 PM  94    1911  73     16       69
  MINIMUM         67    357 AM  32    1992  51     16       52
  AVERAGE         78                        62     16       61

PRECIPITATION (IN)
  TODAY            0.00          2.52 1879   0.12  -0.12     0.00
  MONTH TO DATE    7.31                      2.97   4.34     2.75
  SINCE MAR 1     11.77                      8.85   2.92    13.19
  SINCE JAN 1     17.95                     12.37   5.58    17.58

SNOWFALL (IN)
  TODAY            0.0           T    1924   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        4
  MONTH TO DATE  105                       198    -93      229
  SINCE MAR 1   1677                      1531    146     1353
  SINCE JUL 1   6135                      6265   -130     5278

 COOLING
  TODAY           13                         2     11        0
  MONTH TO DATE   59                        30     29       18
  SINCE MAR 1     59                        40     19       30
  SINCE JAN 1     59                        40     19       30
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    57          1200 AM
 LOWEST     29           300 PM
 AVERAGE    43

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1911
 MINIMUM TEMPERATURE (F)   51        34      1983


SUNRISE AND SUNSET
MAY 25 2018...........SUNRISE   523 AM CDT   SUNSET   815 PM CDT
MAY 26 2018...........SUNRISE   522 AM CDT   SUNSET   816 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
