Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 010655
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
155 AM CDT MON SEP 01 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 31 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 75 2:36 PM 101 1953 80 -5 83
MINIMUM 51 5:50 AM 41 1915 59 -8 56
AVERAGE 63 70 -7 70
PRECIPITATION (IN)
YESTERDAY 0.00 2.32 1981 0.15 -0.15 0.00
MONTH TO DATE 3.30 4.19 -0.89 2.22
SINCE JUN 1 13.17 13.23 -0.06 14.48
SINCE JAN 1 21.57 26.79 -5.22 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 JUN 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 2 1 1 0
MONTH TO DATE 19 3 16 7
SINCE JUN 1 28 33 -5 15
SINCE JUL 1 19 6 13 9
COOLING
YESTERDAY 0 5 -5 5
MONTH TO DATE 201 222 -21 235
SINCE JUN 1 819 678 141 767
SINCE JAN 1 857 739 118 835
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED MM
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 5:00 AM
LOWEST 38 1:00 PM
AVERAGE 68
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 102 1953
MINIMUM TEMPERATURE (F) 59 41 1909
1949
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:22 AM CDT SUNSET 7:30 PM CDT
SEPTEMBER 2 2025.....SUNRISE 6:23 AM CDT SUNSET 7:28 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$