Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 220637
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT FRI AUG 22 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 21 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 79 3:51 PM 100 1916 82 -3 76
1955
MINIMUM 61 11:59 PM 45 1950 61 0 49
AVERAGE 70 72 -2 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.84 2002 0.14 -0.14 0.00
MONTH TO DATE 2.97 2.82 0.15 1.18
SINCE JUN 1 12.84 11.86 0.98 13.44
SINCE JAN 1 21.24 25.42 -4.18 28.44
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 0 0 0 2
MONTH TO DATE 0 0 0 5
SINCE JUN 1 9 30 -21 13
SINCE JUL 1 0 3 -3 7
COOLING
YESTERDAY 5 7 -2 0
MONTH TO DATE 191 161 30 140
SINCE JUN 1 809 617 192 672
SINCE JAN 1 847 678 169 740
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 58 5:00 PM
AVERAGE 78
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 101 1936
MINIMUM TEMPERATURE (F) 61 41 1923
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 6:12 AM CDT SUNSET 7:46 PM CDT
AUGUST 23 2025........SUNRISE 6:13 AM CDT SUNSET 7:44 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$