Climatological Report (Daily)
Issued by NWS Chicago, IL

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976
CDUS43 KLOT 182247
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
447 PM CST SUN FEB 18 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 18 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         33    359 PM  68    2017  35     -2       68
  MINIMUM         12    435 AM -19    1936  19     -7       34
  AVERAGE         23                        27     -4       51

PRECIPITATION (IN)
  TODAY            0.00          0.82 2000   0.05  -0.05     0.00
  MONTH TO DATE    1.39                      0.82   0.57     0.33
  SINCE DEC 1      3.22                      4.17  -0.95     4.46
  SINCE JAN 1      2.73                      2.19   0.54     2.58

SNOWFALL (IN)
  TODAY            0.0           9.6  2000   0.3   -0.3      0.0
  MONTH TO DATE   17.4                       5.3   12.1       T
  SINCE DEC 1     28.1                      26.8    1.3     16.8
  SINCE JUL 1     28.3                      28.6   -0.3     16.8

DEGREE DAYS
 HEATING
  TODAY           42                        38      4       14
  MONTH TO DATE  863                       732    131      581
  SINCE DEC 1   3461                      3306    155     3004
  SINCE JUL 1   4675                      4641     34     3873

 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    22   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     9.7


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
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     78          1200 PM
 AVERAGE    89

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        67      2017
 MINIMUM TEMPERATURE (F)   19       -16      1979


SUNRISE AND SUNSET
FEBRUARY 18 2018......SUNRISE   648 AM CST   SUNSET   533 PM CST
FEBRUARY 19 2018......SUNRISE   647 AM CST   SUNSET   534 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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