Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 192137
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT TUE AUG 19 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 19 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 79 2:59 PM 100 1916 82 -3 79
1947
MINIMUM 68 7:22 AM 44 1915 62 6 60
AVERAGE 74 72 2 70
PRECIPITATION (IN)
TODAY 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)
TODAY 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
TODAY 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
TODAY 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 7.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 69 3:00 PM
AVERAGE 83
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1947
MINIMUM TEMPERATURE (F) 62 47 1897
1940
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:08 AM CDT SUNSET 7:51 PM CDT
AUGUST 20 2025........SUNRISE 6:09 AM CDT SUNSET 7:49 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$