Climatological Report (Daily)
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000
CDUS43 KLOT 132140
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT MON MAR 13 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 13 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         31    259 PM  73    2007  45    -14       48
  MINIMUM         27    548 AM   6    1896  28     -1       43
  AVERAGE         29                        37     -8       46

PRECIPITATION (IN)
  TODAY            0.11          1.15 1917   0.07   0.04     0.66
  MONTH TO DATE    0.53                      0.99  -0.46     1.11
  SINCE MAR 1      0.53                      0.99  -0.46     1.11
  SINCE JAN 1      4.92                      4.51   0.41     3.18

SNOWFALL (IN)
  TODAY            2.1           2.9  1980   0.2    1.9      0.0
  MONTH TO DATE    2.6                       3.0   -0.4      2.6
  SINCE MAR 1      2.6                       3.0   -0.4      2.6
  SINCE JUL 1     20.9                      32.5  -11.6     30.1

DEGREE DAYS
 HEATING
  TODAY           36                        28      8       19
  MONTH TO DATE  355                       395    -40      307
  SINCE MAR 1    355                       395    -40      307
  SINCE JUL 1   4280                      5129   -849     4315

 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    16   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     69           200 PM
 AVERAGE    77

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        81      2012
 MINIMUM TEMPERATURE (F)   29         7      1993
                                             1891


SUNRISE AND SUNSET
MARCH 13 2017.........SUNRISE   706 AM CDT   SUNSET   656 PM CDT
MARCH 14 2017.........SUNRISE   705 AM CDT   SUNSET   657 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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