Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 220633
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST WED FEB 22 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 21 2017...

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)
 YESTERDAY
  MAXIMUM         67R   402 PM  64    1930  36     31       41
  MINIMUM         43   1149 PM -10    1963  20     23       30
  AVERAGE         55                        28     27       36

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                        37    -27       29
  MONTH TO DATE  615                       844   -229      800
  SINCE DEC 1   3038                      3418   -380     2940
  SINCE JUL 1   3907                      4753   -846     3971

 COOLING
  YESTERDAY        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     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     37           500 PM
 AVERAGE    65

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


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


SUNRISE AND SUNSET
FEBRUARY 22 2017......SUNRISE   642 AM CST   SUNSET   538 PM CST
FEBRUARY 23 2017......SUNRISE   640 AM CST   SUNSET   539 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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