Climatological Report (Daily)
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CDUS43 KLOT 152142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT WED MAR 15 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 15 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         33    240 PM  81    2012  46    -13       58
  MINIMUM         16    605 AM   6    1890  29    -13       46
                                      1877
  AVERAGE         25                        38    -13       52

PRECIPITATION (IN)
  TODAY            0.00          1.43 1943   0.08  -0.08     0.14
  MONTH TO DATE    0.85                      1.14  -0.29     1.26
  SINCE MAR 1      0.85                      1.14  -0.29     1.26
  SINCE JAN 1      5.24                      4.66   0.58     3.33

SNOWFALL (IN)
  TODAY            0.0           3.4  1912   0.2   -0.2      0.0
  MONTH TO DATE    7.8                       3.4    4.4      2.6
  SINCE MAR 1      7.8                       3.4    4.4      2.6
  SINCE JUL 1     26.1                      32.9   -6.8     30.1

DEGREE DAYS
 HEATING
  TODAY           40                        27     13       13
  MONTH TO DATE  436                       450    -14      336
  SINCE MAR 1    436                       450    -14      336
  SINCE JUL 1   4361                      5184   -823     4344

 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    NW (310)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    13.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    61           300 AM
 LOWEST     36           200 PM
 AVERAGE    49

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


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 2017.........SUNRISE   703 AM CDT   SUNSET   658 PM CDT
MARCH 16 2017.........SUNRISE   701 AM CDT   SUNSET   700 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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