Climatological Report (Daily)
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CDUS43 KLOT 030649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1248 AM CST SAT DEC 3 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 2 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40   1230 PM  71    1982  40      0       38
  MINIMUM         34   1159 PM  -1    1942  25      9       31
                                      1893
  AVERAGE         37                        32      5       35

PRECIPITATION (IN)
  YESTERDAY        T             4.47 1982   0.10  -0.10     0.21
  MONTH TO DATE    T                         0.19  -0.19     0.39
  SINCE DEC 1      T                         0.19  -0.19     0.39
  SINCE JAN 1     34.20                     34.83  -0.63    35.37

SNOWFALL (IN)
  YESTERDAY        0.0           5.6  1991   0.2   -0.2      1.3
  MONTH TO DATE    T                         0.4   -0.4      1.3
  SINCE DEC 1      T                         0.4   -0.4      1.3
  SINCE JUL 1      T                         1.8   -1.8     12.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        33     -5       30
  MONTH TO DATE   55                        65    -10       55
  SINCE DEC 1     55                        65    -10       55
  SINCE JUL 1    884                      1321   -437     1028

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1157                       843    314      806
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          1200 AM
 LOWEST     59           100 PM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        71      1970
 MINIMUM TEMPERATURE (F)   25        -5      1940


SUNRISE AND SUNSET
DECEMBER  3 2016......SUNRISE   703 AM CST   SUNSET   421 PM CST
DECEMBER  4 2016......SUNRISE   704 AM CST   SUNSET   420 PM CST


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




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