Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 070632
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST THU DEC 7 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 6 2017...

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)
 YESTERDAY
  MAXIMUM         34    232 PM  60    1980  36     -2       35
  MINIMUM         22   1159 PM -10    1964  21      1       25
  AVERAGE         28                        28      0       30

PRECIPITATION (IN)
  YESTERDAY        T             0.83 1998   0.08  -0.08      T
  MONTH TO DATE    T                         0.46  -0.46     0.54
  SINCE DEC 1      T                         0.46  -0.46     0.54
  SINCE JAN 1     44.18                     34.72   9.46    33.82

SNOWFALL (IN)
  YESTERDAY        T             6.9  1994   0.3   -0.3      0.0
  MONTH TO DATE    T                         1.8   -1.8      5.3
  SINCE DEC 1      T                         1.8   -1.8      5.3
  SINCE JUL 1      0.2                       3.6   -3.4      5.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        36      1       35
  MONTH TO DATE  159                       212    -53      189
  SINCE DEC 1    159                       212    -53      189
  SINCE JUL 1   1373                      1547   -174     1058

 COOLING
  YESTERDAY        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    24   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    14.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           500 AM
 LOWEST     41           100 PM
 AVERAGE    58

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        64      1916
 MINIMUM TEMPERATURE (F)   20       -11      1977


SUNRISE AND SUNSET
DECEMBER  7 2017......SUNRISE   712 AM CST   SUNSET   424 PM CST
DECEMBER  8 2017......SUNRISE   712 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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