Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 200643
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT WED AUG 20 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 19 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 81 5:00 PM 100 1916 82 -1 79
1947
MINIMUM 67 11:59 PM 44 1915 62 5 60
AVERAGE 74 72 2 70
PRECIPITATION (IN)
YESTERDAY T 3.41 1990 0.14 -0.14 0.00
MONTH TO DATE 2.94 2.55 0.39 1.18
SINCE JUN 1 12.81 11.59 1.22 13.44
SINCE JAN 1 21.21 25.15 -3.94 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 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 9 30 -21 10
SINCE JUL 1 0 3 -3 4
COOLING
YESTERDAY 9 7 2 5
MONTH TO DATE 180 147 33 140
SINCE JUN 1 798 603 195 672
SINCE JAN 1 836 664 172 740
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 67 5:00 PM
AVERAGE 82
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1947
MINIMUM TEMPERATURE (F) 62 47 1897
1940
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:09 AM CDT SUNSET 7:49 PM CDT
AUGUST 21 2025........SUNRISE 6:11 AM CDT SUNSET 7:48 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$