Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 190638
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST MON FEB 19 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 18 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         38   1016 PM  68    2017  35      3       68
  MINIMUM         12    435 AM -19    1936  19     -7       34
  AVERAGE         25                        27     -2       51

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       40                        38      2       14
  MONTH TO DATE  861                       732    129      581
  SINCE DEC 1   3459                      3306    153     3004
  SINCE JUL 1   4673                      4641     32     3873

 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    25   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED    13.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     75           500 PM
 AVERAGE    88

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


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


SUNRISE AND SUNSET
FEBRUARY 19 2018......SUNRISE   647 AM CST   SUNSET   534 PM CST
FEBRUARY 20 2018......SUNRISE   645 AM CST   SUNSET   535 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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