Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 200634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST TUE FEB 20 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         51   1153 PM  67    2017  35     16       67
  MINIMUM         34    544 AM -16    1979  19     15       30
  AVERAGE         43                        27     16       49

PRECIPITATION (IN)
  YESTERDAY        0.50          0.97 1994   0.06   0.44     0.00
  MONTH TO DATE    1.89                      0.88   1.01     0.33
  SINCE DEC 1      3.72                      4.23  -0.51     4.46
  SINCE JAN 1      3.23                      2.25   0.98     2.58

SNOWFALL (IN)
  YESTERDAY        0.0           2.0  1952   0.3   -0.3      0.0
                                      1929
                                      1924
  MONTH TO DATE   17.4                       5.6   11.8       T
  SINCE DEC 1     28.1                      27.1    1.0     16.8
  SINCE JUL 1     28.3                      28.9   -0.6     16.8
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       22                        38    -16       16
  MONTH TO DATE  883                       770    113      597
  SINCE DEC 1   3481                      3344    137     3020
  SINCE JUL 1   4695                      4679     16     3889

 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    18   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     76          1200 AM
 AVERAGE    88

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        69      2017
 MINIMUM TEMPERATURE (F)   19       -22      1929


SUNRISE AND SUNSET
FEBRUARY 20 2018......SUNRISE   645 AM CST   SUNSET   535 PM CST
FEBRUARY 21 2018......SUNRISE   644 AM CST   SUNSET   537 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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