Climatological Report (Daily)
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CDUS43 KLOT 250639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT FRI MAY 25 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 24 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         87    217 PM  93    1950  73     14       62
                                      1921
  MINIMUM         58    433 AM  34    1992  51      7       53
  AVERAGE         73                        62     11       58

PRECIPITATION (IN)
  YESTERDAY        0.00          1.62 1927   0.11  -0.11     0.17
  MONTH TO DATE    7.31                      2.85   4.46     2.75
  SINCE MAR 1     11.77                      8.73   3.04    13.19
  SINCE JAN 1     17.95                     12.25   5.70    17.58

SNOWFALL (IN)
  YESTERDAY        0.0           T    1925   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        7
  MONTH TO DATE  105                       193    -88      225
  SINCE MAR 1   1677                      1526    151     1349
  SINCE JUL 1   6135                      6260   -125     5274

 COOLING
  YESTERDAY        8                         2      6        0
  MONTH TO DATE   46                        28     18       18
  SINCE MAR 1     46                        38      8       30
  SINCE JAN 1     46                        38      8       30
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           400 AM
 LOWEST     34           300 PM
 AVERAGE    57

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1911
 MINIMUM TEMPERATURE (F)   51        32      1992


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.




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