021
CDUS43 KLOT 180640
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT THU SEP 18 2025
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 17 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 86 3:31 PM 93 1927 75 11 88
1988
MINIMUM 55 5:37 AM 35 1916 53 2 51
AVERAGE 71 64 7 70
PRECIPITATION (IN)
YESTERDAY 0.00 2.21 1970 0.12 -0.12 0.00
MONTH TO DATE 0.30 2.17 -1.87 T
SINCE SEP 1 0.30 2.17 -1.87 T
SINCE JAN 1 21.87 28.96 -7.09 29.48
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 59 34 25 26
SINCE SEP 1 59 34 25 26
SINCE JUL 1 78 45 33 35
COOLING
YESTERDAY 6 3 3 5
MONTH TO DATE 51 66 -15 59
SINCE SEP 1 51 66 -15 59
SINCE JAN 1 908 805 103 894
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 1.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 31 3:00 PM
AVERAGE 64
......................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1920
MINIMUM TEMPERATURE (F) 53 32 1916
1929
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:40 AM CDT SUNSET 7:00 PM CDT
SEPTEMBER 19 2025.....SUNRISE 6:41 AM CDT SUNSET 6:58 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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