Climatological Report (Daily)
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000
CDUS43 KLOT 182150
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SAT OCT 18 2014

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 18 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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         50   149 PM     87  1950    62    -12       50
  MINIMUM         45  1236 PM     20  1948    42      3       39
  AVERAGE         48                          52     -4       45

PRECIPITATION (IN)
  TODAY           0.01          2.09  1985  0.11  -0.10     0.00
  MONTH TO DATE   2.44                      1.80   0.64     1.51
  SINCE SEP 1     5.15                      5.01   0.14     4.08
  SINCE JAN 1    37.23                     30.14   7.09    36.45

SNOWFALL (IN)
  TODAY            0.0           0.7  1989   0.0   0.0       0.0
  MONTH TO DATE    T                         0.1   -0.1      0.0
  SINCE SEP 1      T                         0.1   -0.1      0.0
  SINCE JUL 1      T                         0.1   -0.1      0.0

DEGREE DAYS
 HEATING
  TODAY             17                        13      4       20
  MONTH TO DATE    209                       193     16      124
  SINCE SEP 1      315                       298     17      192
  SINCE JUL 1      320                       311      9      203

 COOLING
  TODAY              0                         0      0        0
  MONTH TO DATE      3                        10     -7       25
  SINCE SEP 1       84                       102    -18      168
  SINCE JAN 1      799                       842    -43      933
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED    10.5

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           200 AM
 LOWEST     66           200 PM
 AVERAGE    74

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

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        84      1971
 MINIMUM TEMPERATURE (F)   42        21      1992

SUNRISE AND SUNSET
OCTOBER 18 2014.......SUNRISE   707 AM CDT   SUNSET   605 PM CDT
OCTOBER 19 2014.......SUNRISE   709 AM CDT   SUNSET   604 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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