Climatological Report (Daily)
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000
CDUS43 KLOT 180636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SAT OCT 18 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 17 2014...

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)
 YESTERDAY
  MAXIMUM         62   1129 AM  86    1950  62      0       53
  MINIMUM         48   1159 PM  26    1948  42      6       40
  AVERAGE         55                        52      3       47

PRECIPITATION (IN)
  YESTERDAY        T             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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                        13     -3       18
  MONTH TO DATE  192                       180     12      104
  SINCE SEP 1    298                       285     13      172
  SINCE JUL 1    303                       298      5      183

 COOLING
  YESTERDAY        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    24   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    13.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           200 AM
 LOWEST     66          1000 PM
 AVERAGE    81

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


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


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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