Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 312235
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST SAT DEC 31 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 31 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         40    212 AM  56    1965  30     10       28
  MINIMUM         33    359 PM -17    1963  14     19       20
  AVERAGE         37                        22     15       24

PRECIPITATION (IN)
  TODAY            0.00          0.72 1923   0.05  -0.05      T
  MONTH TO DATE    1.88                      1.98  -0.10     4.65
  SINCE DEC 1      1.88                      1.98  -0.10     4.65
  SINCE JAN 1     35.16                     36.24  -1.08    40.03

SNOWFALL (IN)
  TODAY            0.0           8.5  1978   0.4   -0.4      0.2
  MONTH TO DATE   16.1                      11.3    4.8      5.2
  SINCE DEC 1     16.1                      11.3    4.8      5.2
  SINCE JUL 1     16.1                      13.1    3.0     14.0

DEGREE DAYS
 HEATING
  TODAY           28                        43    -15       41
  MONTH TO DATE 1264                      1226     38      840
  SINCE DEC 1   1264                      1226     38      840
  SINCE JUL 1   2133                      2561   -428     1871

 COOLING
  TODAY            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    22   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           700 AM
 LOWEST     48           100 AM
 AVERAGE    56

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        49      1916
 MINIMUM TEMPERATURE (F)   14       -13      1968
                                             1924


SUNRISE AND SUNSET
DECEMBER 31 2016......SUNRISE   725 AM CST   SUNSET   435 PM CST
JANUARY  1 2017.......SUNRISE   725 AM CST   SUNSET   435 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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