Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 212242
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CST SAT JAN 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 21 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         55    221 PM  60    1906  29     26       28
  MINIMUM         42    316 AM -22    1984  13     29        9
                                      1970
  AVERAGE         49                        21     28       19

PRECIPITATION (IN)
  TODAY            0.03          0.88 1916   0.04  -0.01     0.00
  MONTH TO DATE    2.05                      0.96   1.09     0.73
  SINCE DEC 1      3.93                      2.94   0.99     5.38
  SINCE JAN 1      2.05                      0.96   1.09     0.73

SNOWFALL (IN)
  TODAY            0.0           6.4  2005   0.3   -0.3      0.0
  MONTH TO DATE    0.2                       7.0   -6.8      3.7
  SINCE DEC 1     16.3                      18.3   -2.0      8.9
  SINCE JUL 1     16.3                      20.1   -3.8     17.7

DEGREE DAYS
 HEATING
  TODAY           16                        44    -28       46
  MONTH TO DATE  826                       918    -92      952
  SINCE DEC 1   2096                      2144    -48     1792
  SINCE JUL 1   2965                      3479   -514     2823

 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    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     66           200 PM
 AVERAGE    83

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        55      1964
 MINIMUM TEMPERATURE (F)   13       -21      1936


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   719 AM CST   SUNSET   457 PM CST
JANUARY 22 2017.......SUNRISE   718 AM CST   SUNSET   458 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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