Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 130637
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT SAT SEP 13 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 12 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 85 2:02 PM 95 1927 77 8 88
MINIMUM 57 6:08 AM 36 1975 55 2 52
AVERAGE 71 66 5 70
PRECIPITATION (IN)
YESTERDAY 0.00 2.92 2019 0.12 -0.12 0.00
MONTH TO DATE 0.08 1.56 -1.48 T
SINCE SEP 1 0.08 1.56 -1.48 T
SINCE JAN 1 21.65 28.35 -6.70 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 2 -2 0
MONTH TO DATE 59 18 41 26
SINCE SEP 1 59 18 41 26
SINCE JUL 1 78 29 49 35
COOLING
YESTERDAY 6 3 3 5
MONTH TO DATE 11 51 -40 13
SINCE SEP 1 11 51 -40 13
SINCE JAN 1 868 790 78 848
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 38 2:00 PM
AVERAGE 69
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 99 1939
MINIMUM TEMPERATURE (F) 55 32 1975
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 6:35 AM CDT SUNSET 7:09 PM CDT
SEPTEMBER 14 2025.....SUNRISE 6:36 AM CDT SUNSET 7:07 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$