Climatological Report (Daily)
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000
CDUS43 KLOT 252143
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT WED MAR 25 2015

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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 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         40    259 PM  79    2007  50    -10       31
  MINIMUM         35    612 AM  12    1974  32      3       20
                                      1940
  AVERAGE         38                        41     -3       26

PRECIPITATION (IN)
  TODAY            0.25          3.20 1884   0.08   0.17     0.05
  MONTH TO DATE    1.05                      1.96  -0.91     1.45
  SINCE MAR 1      1.05                      1.96  -0.91     1.45
  SINCE JAN 1      3.91                      5.48  -1.57     6.75

SNOWFALL (IN)
  TODAY            0.0          13.6  1930   0.1   -0.1      0.6
  MONTH TO DATE    6.5                       4.9    1.6     12.3
  SINCE MAR 1      6.5                       4.9    1.6     12.3
  SINCE JUL 1     50.1                      34.7   15.4     80.6

DEGREE DAYS
 HEATING
  TODAY           27                        24      3       39
  MONTH TO DATE  744                       705     39      883
  SINCE MAR 1    744                       705     39      883
  SINCE JUL 1   5924                      5439    485     6298

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     82          1100 AM
 AVERAGE    91

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

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        79      2007
 MINIMUM TEMPERATURE (F)   32         7      1873


SUNRISE AND SUNSET
MARCH 25 2015.........SUNRISE   647 AM CDT   SUNSET   709 PM CDT
MARCH 26 2015.........SUNRISE   645 AM CDT   SUNSET   710 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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