Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 160649
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1248 AM CST TUE JAN 16 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 15 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    939 AM  55    1953  29     -9       35
  MINIMUM          6   1159 PM -24    1979  13     -7       15
  AVERAGE         13                        21     -8       25

PRECIPITATION (IN)
  YESTERDAY        0.09          0.60 1943   0.04   0.05     0.00
  MONTH TO DATE    0.32                      0.71  -0.39     0.38
  SINCE DEC 1      0.81                      2.69  -1.88     2.26
  SINCE JAN 1      0.32                      0.71  -0.39     0.38

SNOWFALL (IN)
  YESTERDAY        3.4           5.5  1943   0.3    3.1      0.0
  MONTH TO DATE    5.8                       5.1    0.7      0.2
  SINCE DEC 1     10.5                      16.4   -5.9     16.3
  SINCE JUL 1     10.7                      18.2   -7.5     16.3
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       52                        44      8       40
  MONTH TO DATE  775                       654    121      662
  SINCE DEC 1   2020                      1880    140     1932
  SINCE JUL 1   3234                      3215     19     2801

 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    17   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           400 AM
 LOWEST     73           100 PM
 AVERAGE    83

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        53      1933
 MINIMUM TEMPERATURE (F)   13       -25      2009


SUNRISE AND SUNSET
JANUARY 16 2018.......SUNRISE   722 AM CST   SUNSET   451 PM CST
JANUARY 17 2018.......SUNRISE   721 AM CST   SUNSET   452 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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