Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 120636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST MON FEB 12 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 11 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         20    423 PM  67    1999  33    -13       49
  MINIMUM          4   1150 PM -21    2014  17    -13       31
  AVERAGE         12                        25    -13       40

PRECIPITATION (IN)
  YESTERDAY        0.33          0.70 1998   0.05   0.28     0.00
  MONTH TO DATE    1.28                      0.47   0.81     0.33
  SINCE DEC 1      3.11                      3.82  -0.71     4.46
  SINCE JAN 1      2.62                      1.84   0.78     2.58

SNOWFALL (IN)
  YESTERDAY        3.1           6.5  1944   0.3    2.8      0.0
  MONTH TO DATE   16.1                       3.3   12.8       T
  SINCE DEC 1     26.8                      24.8    2.0     16.8
  SINCE JUL 1     27.0                      26.6    0.4     16.8
  SNOW DEPTH      14

DEGREE DAYS
 HEATING
  YESTERDAY       53                        40     13       25
  MONTH TO DATE  570                       457    113      406
  SINCE DEC 1   3168                      3031    137     2829
  SINCE JUL 1   4382                      4366     16     3698

 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     W (290)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           400 AM
 LOWEST     51           500 PM
 AVERAGE    72

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        56      1976
 MINIMUM TEMPERATURE (F)   17       -15      1981


SUNRISE AND SUNSET
FEBRUARY 12 2018......SUNRISE   656 AM CST   SUNSET   525 PM CST
FEBRUARY 13 2018......SUNRISE   655 AM CST   SUNSET   526 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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