Climatological Report (Daily)
Issued by NWS Chicago, IL

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286
CDUS43 KLOT 110655
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1255 AM CST SUN DEC 11 2016


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 10 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         23   1159 PM  57    2015  35    -12       57
                                      1911
  MINIMUM         17    744 AM -20    1919  19     -2       37
  AVERAGE         20                        27     -7       47

PRECIPITATION (IN)
  YESTERDAY        0.09          1.60 2003   0.07   0.02     0.00
  MONTH TO DATE    0.63                      0.75  -0.12     0.17
  SINCE DEC 1      0.63                      0.75  -0.12     0.17
  SINCE JAN 1     33.91                     35.01  -1.10    35.55

SNOWFALL (IN)
  YESTERDAY        2.0           7.0  1944   0.4    1.6      0.0
  MONTH TO DATE    7.3                       3.2    4.1      0.9
  SINCE DEC 1      7.3                       3.2    4.1      0.9
  SINCE JUL 1      7.3                       5.0    2.3      9.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       45                        38      7       18
  MONTH TO DATE  365                       362      3      267
  SINCE DEC 1    365                       362      3      267
  SINCE JUL 1   1234                      1697   -463     1298

 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    SE (140)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 PM
 LOWEST     68          1000 AM
 AVERAGE    80

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        61      1949
 MINIMUM TEMPERATURE (F)   19       -18      1972


SUNRISE AND SUNSET
DECEMBER 11 2016......SUNRISE   715 AM CST   SUNSET   424 PM CST
DECEMBER 12 2016......SUNRISE   716 AM CST   SUNSET   425 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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