Climatological Report (Daily)
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CDUS43 KLOT 252139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT MON MAY 25 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 25 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         78    257 PM  94    1911  73      5       83
  MINIMUM         67    945 AM  32    1992  51     16       50
  AVERAGE         73                        62     11       67

PRECIPITATION (IN)
  TODAY            0.07          2.52 1879   0.12  -0.05     0.00
  MONTH TO DATE    3.55                      2.97   0.58     4.74
  SINCE MAR 1      7.52                      8.85  -1.33     9.29
  SINCE JAN 1     10.38                     12.37  -1.99    14.59

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      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        0
  MONTH TO DATE  164                       198    -34      194
  SINCE MAR 1   1534                      1531      3     1707
  SINCE JUL 1   6714                      6265    449     7122

 COOLING
  TODAY            8                         2      6        2
  MONTH TO DATE   38                        30      8       37
  SINCE MAR 1     38                        40     -2       38
  SINCE JAN 1     38                        40     -2       38
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    18.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78          1200 AM
 LOWEST     56           300 PM
 AVERAGE    67

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


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 2015...........SUNRISE   523 AM CDT   SUNSET   815 PM CDT
MAY 26 2015...........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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