056
CDUS43 KLOT 170635
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST WED DEC 17 2025
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 16 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 38 10:49 PM 68 2021 34 4 44
MINIMUM 8 3:52 AM -14 1932 20 -12 34
AVERAGE 23 27 -4 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.12 1921 0.06 -0.06 0.01
MONTH TO DATE 0.52 1.08 -0.56 0.46
SINCE DEC 1 0.52 1.08 -0.56 0.46
SINCE JAN 1 26.48 36.39 -9.91 34.82
SNOWFALL (IN)
YESTERDAY 0.0 3.6 2008 0.3 -0.3 0.0
MONTH TO DATE 8.0 4.6 3.4 0.3
SINCE DEC 1 8.0 4.6 3.4 0.3
SINCE JUL 1 18.0 7.1 10.9 0.9
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 42 38 4 26
MONTH TO DATE 754 570 184 609
SINCE DEC 1 754 570 184 609
SINCE JUL 1 1917 1886 31 1591
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 17 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 1:00 AM
LOWEST 71 10:00 AM
AVERAGE 81
......................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 50 1941
1977
2006
MINIMUM TEMPERATURE (F) 20 -12 1945
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 7:20 AM CST SUNSET 4:26 PM CST
DECEMBER 18 2025......SUNRISE 7:20 AM CST SUNSET 4:26 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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