Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 122307
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
457 PM CST FRI JAN 12 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 12 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         21    324 PM  55    1960  29     -8       26
  MINIMUM         15    837 AM -21    1974  13      2       17
  AVERAGE         18                        21     -3       22

PRECIPITATION (IN)
  TODAY            T             2.46 1960   0.04  -0.04      T
  MONTH TO DATE    0.20                      0.58  -0.38     0.38
  SINCE DEC 1      0.69                      2.56  -1.87     2.26
  SINCE JAN 1      0.20                      0.58  -0.38     0.38

SNOWFALL (IN)
  TODAY           MM             8.8  1966   0.3   MM         T
  MONTH TO DATE    0.9                       4.1   -3.2      0.2
  SINCE DEC 1      5.6                      15.4   -9.8     16.3
  SINCE JUL 1      5.8                      17.2  -11.4     16.3

DEGREE DAYS
 HEATING
  TODAY           47                        44      3       43
  MONTH TO DATE  607                       522     85      535
  SINCE DEC 1   1852                      1748    104     1805
  SINCE JUL 1   3066                      3083    -17     2674

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    19.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74          1200 AM
 LOWEST     47           300 PM
 AVERAGE    61

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        54      1961
 MINIMUM TEMPERATURE (F)   13       -17      1916


SUNRISE AND SUNSET
JANUARY 12 2018.......SUNRISE   724 AM CST   SUNSET   446 PM CST
JANUARY 13 2018.......SUNRISE   723 AM CST   SUNSET   447 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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