Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 012245
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CST MON DEC 01 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 1 2025...
SNOWFALL VALID AS OF 1200 PM LOCAL TIME.
ALL OTHER OBSERVATIONS VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 25 1:42 PM 62 1970 40 -15 26
MINIMUM 8 1:54 AM -3 1966 25 -17 11
AVERAGE 17 32 -15 19
PRECIPITATION (IN)
TODAY 0.04 1.46 1985 0.07 -0.03 0.00
MONTH TO DATE 0.04 0.07 -0.03 0.00
SINCE DEC 1 0.04 0.07 -0.03 0.00
SINCE JAN 1 26.00 35.38 -9.38 34.36
SNOWFALL (IN)
TODAY 0.0 10.7 2006 0.2 -0.2 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE DEC 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 10.0 2.7 7.3 0.6
SNOW DEPTH 6
DEGREE DAYS
HEATING
TODAY 48 33 15 46
MONTH TO DATE 48 33 15 46
SINCE DEC 1 48 33 15 46
SINCE JUL 1 1211 1349 -138 1028
COOLING
TODAY 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 6 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 6 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 1.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 77 12:00 PM
AVERAGE 87
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 64 1982
2012
MINIMUM TEMPERATURE (F) 24 -4 1942
1976
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 7:06 AM CST SUNSET 4:25 PM CST
DECEMBER 2 2025......SUNRISE 7:07 AM CST SUNSET 4:25 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$