Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 120632
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT SEP 12 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 11 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 82 2:19 PM 96 1931 77 5 82
MINIMUM 54 5:46 AM 34 1917 55 -1 55
AVERAGE 68 66 2 69
PRECIPITATION (IN)
YESTERDAY 0.00 4.46 2022 0.12 -0.12 0.00
MONTH TO DATE 0.27 1.44 -1.17 0.08
SINCE SEP 1 0.27 1.44 -1.17 0.08
SINCE JAN 1 22.50 28.23 -5.73 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 9
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 16 -16 59
SINCE SEP 1 0 16 -16 59
SINCE JUL 1 0 27 -27 78
COOLING
YESTERDAY 3 4 -1 4
MONTH TO DATE 121 48 73 5
SINCE SEP 1 121 48 73 5
SINCE JAN 1 868 787 81 862
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 44 2:00 PM
AVERAGE 72
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 1927
MINIMUM TEMPERATURE (F) 55 36 1975
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 6:33 AM CDT SUNSET 7:11 PM CDT
SEPTEMBER 13 2026.....SUNRISE 6:34 AM CDT SUNSET 7:09 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$