Climatological Report (Daily)
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000
CDUS43 KLOT 192136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SUN MAR 19 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 19 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         53    259 PM  78    2012  48      5       46
                                      1921
  MINIMUM         29    535 AM   0    1923  30     -1       35
  AVERAGE         41                        39      2       41

PRECIPITATION (IN)
  TODAY            0.00          2.50 1948   0.08  -0.08     0.00
  MONTH TO DATE    0.88                      1.46  -0.58     1.30
  SINCE MAR 1      0.88                      1.46  -0.58     1.30
  SINCE JAN 1      5.27                      4.98   0.29     3.37

SNOWFALL (IN)
  TODAY            0.0           4.1  1986   0.2   -0.2      0.0
  MONTH TO DATE    7.8                       4.1    3.7      2.6
  SINCE MAR 1      7.8                       4.1    3.7      2.6
  SINCE JUL 1     26.1                      33.6   -7.5     30.1

DEGREE DAYS
 HEATING
  TODAY           24                        26     -2       24
  MONTH TO DATE  543                       556    -13      415
  SINCE MAR 1    543                       556    -13      415
  SINCE JUL 1   4468                      5290   -822     4423

 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    15   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           600 AM
 LOWEST     46           300 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        85      2012
 MINIMUM TEMPERATURE (F)   31         4      1885


SUNRISE AND SUNSET
MARCH 19 2017.........SUNRISE   656 AM CDT   SUNSET   703 PM CDT
MARCH 20 2017.........SUNRISE   654 AM CDT   SUNSET   704 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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