Climatological Report (Daily)
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000
CDUS43 KLOT 212136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SAT MAR 21 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 21 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         49   1001 AM  87    2012  49      0       58
  MINIMUM         37    623 AM   9    1888  31      6       30
                                      1885
  AVERAGE         43                        40      3       44

PRECIPITATION (IN)
  TODAY            0.00          1.07 2007   0.09  -0.09     0.00
  MONTH TO DATE    0.13                      1.63  -1.50     1.40
  SINCE MAR 1      0.13                      1.63  -1.50     1.40
  SINCE JAN 1      2.99                      5.15  -2.16     6.70

SNOWFALL (IN)
  TODAY            0.0           8.5  1992   0.2   -0.2      0.0
  MONTH TO DATE    0.7                       4.4   -3.7     11.7
  SINCE MAR 1      0.7                       4.4   -3.7     11.7
  SINCE JUL 1     44.3                      34.2   10.1     80.0

DEGREE DAYS
 HEATING
  TODAY           22                        25     -3       21
  MONTH TO DATE  609                       607      2      737
  SINCE MAR 1    609                       607      2      737
  SINCE JUL 1   5789                      5341    448     6152

 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     N (360)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED    11.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           400 AM
 LOWEST     53           100 PM
 AVERAGE    73

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        83      2012
 MINIMUM TEMPERATURE (F)   31        -1      1888


SUNRISE AND SUNSET
MARCH 21 2015.........SUNRISE   654 AM CDT   SUNSET   705 PM CDT
MARCH 22 2015.........SUNRISE   652 AM CDT   SUNSET   706 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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