Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDUS43 KLOT 080642
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST THU DEC 8 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 7 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         27    109 PM  64    1916  37    -10       39
  MINIMUM         22    923 PM  -6    1882  23     -1       27
  AVERAGE         25                        30     -5       33

PRECIPITATION (IN)
  YESTERDAY        T             1.12 1980   0.09  -0.09      T
  MONTH TO DATE    0.50                      0.63  -0.13     0.39
  SINCE DEC 1      0.50                      0.63  -0.13     0.39
  SINCE JAN 1     34.70                     35.27  -0.57    35.37

SNOWFALL (IN)
  YESTERDAY        T             6.9  1978   0.2   -0.2      0.0
  MONTH TO DATE    6.4                       1.5    4.9      1.3
  SINCE DEC 1      6.4                       1.5    4.9      1.3
  SINCE JUL 1      6.4                       2.9    3.5     12.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       40                        35      5       32
  MONTH TO DATE  227                       235     -8      199
  SINCE DEC 1    227                       235     -8      199
  SINCE JUL 1   1056                      1491   -435     1172

 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    29   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    16.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75          1200 AM
 LOWEST     68           100 AM
 AVERAGE    72

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1946
 MINIMUM TEMPERATURE (F)   23        -7      1882


SUNRISE AND SUNSET
DECEMBER  8 2016......SUNRISE   707 AM CST   SUNSET   420 PM CST
DECEMBER  9 2016......SUNRISE   708 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.




$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.