Climatological Report (Daily)
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CDUS43 KLOT 242137
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT SUN MAY 24 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 24 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         72   1135 AM  93    1950  73     -1       74
                                      1921
  MINIMUM         59    342 AM  34    1992  51      8       47
  AVERAGE         66                        62      4       61

PRECIPITATION (IN)
  TODAY            T             1.62 1927   0.11  -0.11     0.00
  MONTH TO DATE    3.12                      2.85   0.27     4.74
  SINCE MAR 1      7.09                      8.73  -1.64     9.29
  SINCE JAN 1      9.95                     12.25  -2.30    14.59

SNOWFALL (IN)
  TODAY            0.0           T    1925   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

DEGREE DAYS
 HEATING
  TODAY            0                         5     -5        4
  MONTH TO DATE  164                       193    -29      194
  SINCE MAR 1   1534                      1526      8     1707
  SINCE JUL 1   6714                      6260    454     7122

 COOLING
  TODAY            1                         2     -1        0
  MONTH TO DATE   30                        28      2       35
  SINCE MAR 1     30                        38     -8       36
  SINCE JAN 1     30                        38     -8       36
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           700 AM
 LOWEST     48          1200 AM
 AVERAGE    58

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


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


SUNRISE AND SUNSET
MAY 24 2015...........SUNRISE   524 AM CDT   SUNSET   814 PM CDT
MAY 25 2015...........SUNRISE   523 AM CDT   SUNSET   815 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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