Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 100634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SAT DEC 10 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 9 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25    156 PM  54    1939  35    -10       51
                                      1930
  MINIMUM         15    806 PM -12    1958  20     -5       35
  AVERAGE         20                        27     -7       43

PRECIPITATION (IN)
  YESTERDAY        T             1.04 2003   0.07  -0.07     0.00
  MONTH TO DATE    0.54                      0.68  -0.14     0.17
  SINCE DEC 1      0.54                      0.68  -0.14     0.17
  SINCE JAN 1     33.82                     34.94  -1.12    35.55

SNOWFALL (IN)
  YESTERDAY        T             5.0  1931   0.3   -0.3      0.0
  MONTH TO DATE    5.3                       2.8    2.5      0.9
  SINCE DEC 1      5.3                       2.8    2.5      0.9
  SINCE JUL 1      5.3                       4.6    0.7      9.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       45                        38      7       22
  MONTH TO DATE  320                       324     -4      249
  SINCE DEC 1    320                       324     -4      249
  SINCE JUL 1   1189                      1659   -470     1280

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1103                       820    283      825
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           800 PM
 LOWEST     60           100 PM
 AVERAGE    70

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        57      2015
                                             1911
 MINIMUM TEMPERATURE (F)   19       -20      1919


SUNRISE AND SUNSET
DECEMBER 10 2016......SUNRISE   714 AM CST   SUNSET   424 PM CST
DECEMBER 11 2016......SUNRISE   715 AM CST   SUNSET   424 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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