Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 210633
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SUN JAN 21 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 20 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         44    423 PM  51    1921  29     15       42
  MINIMUM         27    724 AM -26    1985  13     14       38
  AVERAGE         36                        21     15       40

PRECIPITATION (IN)
  YESTERDAY        0.00          1.53 1907   0.04  -0.04     0.01
  MONTH TO DATE    0.32                      0.92  -0.60     2.02
  SINCE DEC 1      0.81                      2.90  -2.09     3.90
  SINCE JAN 1      0.32                      0.92  -0.60     2.02

SNOWFALL (IN)
  YESTERDAY        0.0           5.1  2012   0.3   -0.3      0.0
  MONTH TO DATE    5.9                       6.7   -0.8      0.2
  SINCE DEC 1     10.6                      18.0   -7.4     16.3
  SINCE JUL 1     10.8                      19.8   -9.0     16.3
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       29                        44    -15       25
  MONTH TO DATE  990                       874    116      810
  SINCE DEC 1   2235                      2100    135     2080
  SINCE JUL 1   3449                      3435     14     2949

 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    12   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           800 AM
 LOWEST     62           100 PM
 AVERAGE    77

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        60      1906
 MINIMUM TEMPERATURE (F)   13       -22      1984
                                             1970


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   719 AM CST   SUNSET   457 PM CST
JANUARY 22 2018.......SUNRISE   718 AM CST   SUNSET   458 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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