Climatological Report (Daily)
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000
CDUS43 KLOT 172250
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
447 PM CST MON NOV 17 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 17 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

*SNOW AMOUNT IS AS OF 1200 PM CST.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         21   1131 AM  74    1975  47    -26       69
                                      1971
                                      1952
  MINIMUM         11    730 AM   3    1959  32    -21       43
  AVERAGE         16                        40    -24       56

PRECIPITATION (IN)
  TODAY            T             1.43 1892   0.11  -0.11     0.39
  MONTH TO DATE    0.27                      1.77  -1.50     1.82
  SINCE SEP 1      5.46                      8.13  -2.67     7.51
  SINCE JAN 1     37.54                     33.26   4.28    39.88

SNOWFALL (IN)
  TODAY            0.0*          3.8  1927   0.1   -0.1      0.0
  MONTH TO DATE    1.6                       0.3    1.3      0.4
  SINCE SEP 1      1.7                       0.5    1.2      0.4
  SINCE JUL 1      1.7                       0.5    1.2      0.4

DEGREE DAYS
 HEATING
  TODAY           49                        25     24        9
  MONTH TO DATE  471                       365    106      370
  SINCE SEP 1    973                       867    106      823
  SINCE JUL 1    978                       880     98      834

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     84                       103    -19      168
  SINCE JAN 1    799                       843    -44      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    14.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           700 AM
 LOWEST     59           200 PM
 AVERAGE    71

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        72      1953
 MINIMUM TEMPERATURE (F)   32         8      1880


SUNRISE AND SUNSET
NOVEMBER 17 2014......SUNRISE   644 AM CST   SUNSET   429 PM CST
NOVEMBER 18 2014......SUNRISE   645 AM CST   SUNSET   428 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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