Climatological Report (Daily)
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CDUS43 KLOT 240637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE MAR 24 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 23 2015...

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)
 YESTERDAY
  MAXIMUM         31   1228 AM  80    1907  50    -19       32
  MINIMUM         28   1159 PM   9    1940  31     -3       19
  AVERAGE         30                        40    -10       26

PRECIPITATION (IN)
  YESTERDAY        0.61          1.25 2012   0.08   0.53     0.00
  MONTH TO DATE    0.76                      1.80  -1.04     1.40
  SINCE MAR 1      0.76                      1.80  -1.04     1.40
  SINCE JAN 1      3.62                      5.32  -1.70     6.70

SNOWFALL (IN)
  YESTERDAY        5.6           7.0  1897   0.2    5.4      0.0
  MONTH TO DATE    6.5                       4.7    1.8     11.7
  SINCE MAR 1      6.5                       4.7    1.8     11.7
  SINCE JUL 1     50.1                      34.5   15.6     80.0
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       35                        25     10       39
  MONTH TO DATE  680                       657     23      807
  SINCE MAR 1    680                       657     23      807
  SINCE JUL 1   5860                      5391    469     6222

 COOLING
  YESTERDAY        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    17   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 AM
 LOWEST     78           300 PM
 AVERAGE    85

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        79      1939
                                             1910
 MINIMUM TEMPERATURE (F)   32         5      1974


SUNRISE AND SUNSET
MARCH 24 2015.........SUNRISE   648 AM CDT   SUNSET   708 PM CDT
MARCH 25 2015.........SUNRISE   647 AM CDT   SUNSET   709 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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