000
CDUS43 KLOT 242235
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CST TUE NOV 24 2009

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 24 2009...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2009

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         50   359 PM     69  1966    43      7       38
  MINIMUM         40  1236 AM     -2  1950    28     12       32
  AVERAGE         45                          36      9       35

PRECIPITATION (IN)
  TODAY           0.01          0.82  2004  0.10  -0.09     0.14
  MONTH TO DATE   0.31                      2.41  -2.10     1.14
  SINCE SEP 1     7.38                      8.39  -1.01    16.84
  SINCE JAN 1    38.92                     33.24   5.68    44.42

SNOWFALL (IN)
  TODAY            0.0           4.3  2004   0.1   -0.1      0.1
  MONTH TO DATE    0.0                       1.2   -1.2      0.3
  SINCE SEP 1      T                         1.5   -1.5      0.3
  SINCE JUL 1      T                         1.5   -1.5      0.3

DEGREE DAYS
 HEATING
  TODAY             20                        29     -9       30
  MONTH TO DATE    426                       577   -151      580
  SINCE SEP 1      969                      1090   -121     1017
  SINCE JUL 1      996                      1105   -109     1020

 COOLING
  TODAY              0                         0      0        0
  MONTH TO DATE      0                         0      0        0
  SINCE SEP 1       68                       101    -33      100
  SINCE JAN 1      589                       830   -241      828
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     6.1

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9

WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG

RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     86           300 PM
 AVERAGE    93
..........................................................

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        65      1908
 MINIMUM TEMPERATURE (F)   28         0      1950

SUNRISE AND SUNSET
NOVEMBER 24 2009......SUNRISE   653 AM CST   SUNSET   424 PM CST
NOVEMBER 25 2009......SUNRISE   654 AM CST   SUNSET   423 PM CST

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$