Climatological Report (Daily)
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000
CDUS43 KLOT 250634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT WED MAR 25 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 24 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         37   1120 PM  79    1939  50    -13       36
                                      1910
  MINIMUM         19    323 AM   5    1974  32    -13       20
  AVERAGE         28                        41    -13       28

PRECIPITATION (IN)
  YESTERDAY        0.04          1.26 1969   0.08  -0.04     0.00
  MONTH TO DATE    0.80                      1.88  -1.08     1.40
  SINCE MAR 1      0.80                      1.88  -1.08     1.40
  SINCE JAN 1      3.66                      5.40  -1.74     6.70

SNOWFALL (IN)
  YESTERDAY       MM             4.5  1947   0.1   MM        0.0
  MONTH TO DATE    6.5                       4.8    1.7     11.7
  SINCE MAR 1      6.5                       4.8    1.7     11.7
  SINCE JUL 1     50.1                      34.6   15.5     80.0
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       37                        24     13       37
  MONTH TO DATE  717                       681     36      844
  SINCE MAR 1    717                       681     36      844
  SINCE JUL 1   5897                      5415    482     6259

 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    22   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           400 AM
 LOWEST     47           300 PM
 AVERAGE    68

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        79      2007
 MINIMUM TEMPERATURE (F)   32        12      1974
                                             1940


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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