Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 212239
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST TUE FEB 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 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         67R   359 PM  64    1930  36     31       41
  MINIMUM         49    750 AM -10    1963  20     29       30
  AVERAGE         58                        28     30       36

PRECIPITATION (IN)
  TODAY            0.10          1.25 1913   0.05   0.05     0.00
  MONTH TO DATE    0.49                      0.98  -0.49     0.57
  SINCE DEC 1      4.62                      4.33   0.29     6.10
  SINCE JAN 1      2.74                      2.35   0.39     1.45

SNOWFALL (IN)
  TODAY            0.0           6.0  1913   0.3   -0.3      0.0
  MONTH TO DATE    T                         6.1   -6.1      3.5
  SINCE DEC 1     16.8                      27.6  -10.8     12.4
  SINCE JUL 1     16.8                      29.4  -12.6     21.2

DEGREE DAYS
 HEATING
  TODAY            7                        37    -30       29
  MONTH TO DATE  612                       844   -232      800
  SINCE DEC 1   3035                      3418   -383     2940
  SINCE JUL 1   3904                      4753   -849     3971

 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    15   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     40           400 PM
 AVERAGE    67

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        61      1922
 MINIMUM TEMPERATURE (F)   20       -17      1936


SUNRISE AND SUNSET
FEBRUARY 21 2017......SUNRISE   643 AM CST   SUNSET   537 PM CST
FEBRUARY 22 2017......SUNRISE   642 AM CST   SUNSET   538 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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