Climatological Report (Daily)
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000
CDUS43 KLOT 182141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT THU SEP 18 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 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         70   1212 PM  94    1955  74     -4       81
  MINIMUM         53    547 AM  40    1903  53      0       60
                                      1901
                                      1889
  AVERAGE         62                        64     -2       71

PRECIPITATION (IN)
  TODAY            0.00          1.50 1907   0.10  -0.10     0.55
  MONTH TO DATE    2.58                      1.96   0.62     1.35
  SINCE SEP 1      2.58                      1.96   0.62     1.35
  SINCE JAN 1     34.66                     27.09   7.57    33.72

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            3                         4     -1        0
  MONTH TO DATE   79                        36     43       28
  SINCE SEP 1     79                        36     43       28
  SINCE JUL 1     84                        49     35       39

 COOLING
  TODAY            0                         2     -2        6
  MONTH TO DATE   68                        74     -6      122
  SINCE SEP 1     68                        74     -6      122
  SINCE JAN 1    783                       814    -31      887
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     57          1200 PM
 AVERAGE    75

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1955
 MINIMUM TEMPERATURE (F)   53        40      1991


SUNRISE AND SUNSET
SEPTEMBER 18 2014.....SUNRISE   635 AM CDT   SUNSET   656 PM CDT
SEPTEMBER 19 2014.....SUNRISE   636 AM CDT   SUNSET   654 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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