Climatological Report (Daily)
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CDUS43 KLOT 092231
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CST THU MAR 9 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 9 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         42    141 PM  69    1974  44     -2       63
  MINIMUM         29    454 AM   5    1984  27      2       48
                                      1932
  AVERAGE         36                        35      1       56

PRECIPITATION (IN)
  TODAY            0.00          1.60 1998   0.08  -0.08     0.18
  MONTH TO DATE    0.37                      0.70  -0.33     0.45
  SINCE MAR 1      0.37                      0.70  -0.33     0.45
  SINCE JAN 1      4.76                      4.22   0.54     2.52

SNOWFALL (IN)
  TODAY            0.0           6.5  1998   0.3   -0.3      0.0
  MONTH TO DATE    0.1                       2.2   -2.1      2.6
  SINCE MAR 1      0.1                       2.2   -2.1      2.6
  SINCE JUL 1     18.4                      31.7  -13.3     30.1

DEGREE DAYS
 HEATING
  TODAY           29                        30     -1        9
  MONTH TO DATE  206                       280    -74      228
  SINCE MAR 1    206                       280    -74      228
  SINCE JUL 1   4131                      5014   -883     4236

 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    NW (320)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.6


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    69           500 AM
 LOWEST     37          1200 AM
 AVERAGE    53

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        70      1955
 MINIMUM TEMPERATURE (F)   27         2      2003


SUNRISE AND SUNSET
MARCH  9 2017.........SUNRISE   613 AM CST   SUNSET   552 PM CST
MARCH 10 2017.........SUNRISE   611 AM CST   SUNSET   553 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$




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