Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 042234
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST MON DEC 4 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 4 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         62    353 PM  65    1998  37     25       34
  MINIMUM         50    549 AM  -4    1991  22     28       29
  AVERAGE         56                        29     27       32

PRECIPITATION (IN)
  TODAY            T             1.29 1973   0.08  -0.08     0.48
  MONTH TO DATE    T                         0.31  -0.31     0.54
  SINCE DEC 1      T                         0.31  -0.31     0.54
  SINCE JAN 1     44.18                     34.57   9.61    33.82

SNOWFALL (IN)
  TODAY            0.0           5.7  2010   0.3   -0.3      5.3
  MONTH TO DATE    0.0                       1.2   -1.2      5.3
  SINCE DEC 1      0.0                       1.2   -1.2      5.3
  SINCE JUL 1      0.2                       3.0   -2.8      5.3

DEGREE DAYS
 HEATING
  TODAY            9                        36    -27       33
  MONTH TO DATE   84                       140    -56      121
  SINCE DEC 1     84                       140    -56      121
  SINCE JUL 1   1298                      1475   -177      990

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    828                       820      8     1103
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    17.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           800 AM
 LOWEST     60          1200 PM
 AVERAGE    69

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        67      2001
 MINIMUM TEMPERATURE (F)   21        -5      2005


SUNRISE AND SUNSET
DECEMBER  4 2017......SUNRISE   709 AM CST   SUNSET   425 PM CST
DECEMBER  5 2017......SUNRISE   710 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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