Climatological Report (Daily)
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000
CDUS43 KLOT 172154
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT FRI OCT 17 2014

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 17 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         62  1129 AM     86  1950    62      0       53
  MINIMUM         50   650 AM     26  1948    42      8       40
  AVERAGE         56                          52      4       47

PRECIPITATION (IN)
  TODAY           0.00          3.61  1988  0.10  -0.10     0.29
  MONTH TO DATE   2.43                      1.69   0.74     1.51
  SINCE SEP 1     5.14                      4.90   0.24     4.08
  SINCE JAN 1    37.22                     30.03   7.19    36.45

SNOWFALL (IN)
  TODAY            0.0           T    1976   0.0    0.0      0.0
                                      1930
  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              9                        13     -4       18
  MONTH TO DATE    191                       180     11      104
  SINCE SEP 1      297                       285     12      172
  SINCE JUL 1      302                       298      4      183

 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    22   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    11.6

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5

WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.

RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           200 AM
 LOWEST     67          1100 AM
 AVERAGE    82

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

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        87      1950
 MINIMUM TEMPERATURE (F)   42        20      1948

SUNRISE AND SUNSET
OCTOBER 17 2014.......SUNRISE   706 AM CDT   SUNSET   607 PM CDT
OCTOBER 18 2014.......SUNRISE   707 AM CDT   SUNSET   605 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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