Climatological Report (Daily)
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000
CDUS43 KLOT 152140
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT SUN MAR 15 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 15 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         61    241 PM  81    2012  46     15       40
  MINIMUM         29    422 AM   6    1890  29      0       27
                                      1877
  AVERAGE         45                        38      7       34

PRECIPITATION (IN)
  TODAY            0.00          1.43 1943   0.08  -0.08      T
  MONTH TO DATE    0.13                      1.14  -1.01     1.17
  SINCE MAR 1      0.13                      1.14  -1.01     1.17
  SINCE JAN 1      2.99                      4.66  -1.67     6.47

SNOWFALL (IN)
  TODAY            0.0           3.4  1912   0.2   -0.2      0.2
  MONTH TO DATE    0.7                       3.4   -2.7     11.0
  SINCE MAR 1      0.7                       3.4   -2.7     11.0
  SINCE JUL 1     44.3                      33.2   11.1     79.3

DEGREE DAYS
 HEATING
  TODAY           20                        27     -7       31
  MONTH TO DATE  483                       450     33      563
  SINCE MAR 1    483                       450     33      563
  SINCE JUL 1   5663                      5184    479     5978

 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    21   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 AM
 LOWEST     42           200 PM
 AVERAGE    67

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        82      2012
 MINIMUM TEMPERATURE (F)   29        -1      1900


SUNRISE AND SUNSET
MARCH 15 2015.........SUNRISE   704 AM CDT   SUNSET   658 PM CDT
MARCH 16 2015.........SUNRISE   702 AM CDT   SUNSET   659 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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