Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 090639
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST TUE JAN 9 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 8 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    328 PM  55    1965  29      9       19
  MINIMUM         29   1111 PM -19    1986  13     16        0
  AVERAGE         34                        21     13       10

PRECIPITATION (IN)
  YESTERDAY        0.00          1.25 1946   0.05  -0.05     0.00
  MONTH TO DATE    0.06                      0.39  -0.33      T
  SINCE DEC 1      0.55                      2.37  -1.82     1.88
  SINCE JAN 1      0.06                      0.39  -0.33      T

SNOWFALL (IN)
  YESTERDAY        0.0           3.2  1974   0.3   -0.3      0.0
  MONTH TO DATE    0.9                       2.7   -1.8       T
  SINCE DEC 1      5.6                      14.0   -8.4     16.1
  SINCE JUL 1      5.8                      15.8  -10.0     16.1
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       31                        44    -13       55
  MONTH TO DATE  470                       346    124      391
  SINCE DEC 1   1715                      1572    143     1661
  SINCE JUL 1   2929                      2907     22     2530

 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    SW (240)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     7.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     70           200 PM
 AVERAGE    81

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        56      2002
 MINIMUM TEMPERATURE (F)   13       -21      1982


SUNRISE AND SUNSET
JANUARY  9 2018.......SUNRISE   725 AM CST   SUNSET   443 PM CST
JANUARY 10 2018.......SUNRISE   724 AM CST   SUNSET   444 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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