Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 312237
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST TUE JAN 31 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 31 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         42   1231 PM  63    1989  30     12       40
  MINIMUM         37    451 AM -18    1996  14     23       32
  AVERAGE         40                        22     18       36

PRECIPITATION (IN)
  TODAY            0.02          0.50 1915   0.04  -0.02     0.10
  MONTH TO DATE    2.25                      1.37   0.88     0.88
  SINCE DEC 1      4.13                      3.35   0.78     5.53
  SINCE JAN 1      2.25                      1.37   0.88     0.88

SNOWFALL (IN)
  TODAY            0.0           5.5  1942   0.3   -0.3      0.0
  MONTH TO DATE    0.7                      10.2   -9.5      3.7
  SINCE DEC 1     16.8                      21.5   -4.7      8.9
  SINCE JUL 1     16.8                      23.3   -6.5     17.7

DEGREE DAYS
 HEATING
  TODAY           25                        43    -18       29
  MONTH TO DATE 1151                      1351   -200     1300
  SINCE DEC 1   2421                      2574   -153     2140
  SINCE JUL 1   3290                      3909   -619     3171

 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    23   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    16.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     59           200 PM
 AVERAGE    72

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        48      1968
                                             1922
 MINIMUM TEMPERATURE (F)   14       -22      1985


SUNRISE AND SUNSET
JANUARY 31 2017.......SUNRISE   710 AM CST   SUNSET   510 PM CST
FEBRUARY  1 2017......SUNRISE   709 AM CST   SUNSET   511 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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