Climatological Report (Daily)
Issued by NWS Chicago, IL

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743
CDUS43 KLOT 300633
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST TUE DEC 30 2025

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 29 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22  11:52 AM  65    1984  31     -9       44
  MINIMUM         12  11:59 PM -11    1917  17     -5       34
                                      1925
                                      1976
  AVERAGE         17                        24     -7       39

PRECIPITATION (IN)
  YESTERDAY        0.01          1.01 1914   0.05  -0.04     0.00
  MONTH TO DATE    1.67                      1.82  -0.15     1.12
  SINCE DEC 1      1.67                      1.82  -0.15     1.12
  SINCE JAN 1     27.63                     37.13  -9.50    35.48

SNOWFALL (IN)
  YESTERDAY        0.8           8.0  1954   0.3    0.5      0.0
  MONTH TO DATE    8.8                       8.7    0.1      4.6
  SINCE DEC 1      8.8                       8.7    0.1      4.6
  SINCE JUL 1     18.8                      11.2    7.6      5.2
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       48                        41      7       26
  MONTH TO DATE 1189                      1087    102     1030
  SINCE DEC 1   1189                      1087    102     1030
  SINCE JUL 1   2352                      2403    -51     2012

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1015                       839    176      958
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    20.5


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           6:00 AM
 LOWEST     65           1:00 PM
 AVERAGE    75

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        58      2002
 MINIMUM TEMPERATURE (F)   17       -12      1963


SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE   7:25 AM CST   SUNSET   4:33 PM CST
DECEMBER 31 2025......SUNRISE   7:25 AM CST   SUNSET   4:34 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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