Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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970
CDUS43 KLOT 110634
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI SEP 11 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 10 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 3:41 PM 96 1931 77 4 78
2013
MINIMUM 57 11:52 PM 37 1917 56 1 50
AVERAGE 69 67 2 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.40 1903 0.12 -0.12 T
MONTH TO DATE 0.27 1.32 -1.05 0.08
SINCE SEP 1 0.27 1.32 -1.05 0.08
SINCE JAN 1 22.50 28.11 -5.61 21.65
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 2 -2 1
MONTH TO DATE 0 14 -14 59
SINCE SEP 1 0 14 -14 59
SINCE JUL 1 0 25 -25 78
COOLING
YESTERDAY 4 4 0 0
MONTH TO DATE 118 44 74 1
SINCE SEP 1 118 44 74 1
SINCE JAN 1 865 783 82 858
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 2.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 42 3:00 PM
AVERAGE 71
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 1931
MINIMUM TEMPERATURE (F) 55 34 1917
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 6:32 AM CDT SUNSET 7:13 PM CDT
SEPTEMBER 12 2026.....SUNRISE 6:33 AM CDT SUNSET 7:11 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$