Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 200645
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT THU AUG 20 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 19 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 1:25 PM 100 1916 82 1 81
1947
MINIMUM 61 5:46 AM 44 1915 62 -1 67
AVERAGE 72 72 0 74
PRECIPITATION (IN)
YESTERDAY 0.00 3.41 1990 0.14 -0.14 T
MONTH TO DATE 1.95 2.55 -0.60 2.94
SINCE JUN 1 10.84 11.59 -0.75 12.81
SINCE JAN 1 21.82 25.15 -3.33 21.21
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 0
SINCE JUN 1 12 30 -18 9
SINCE JUL 1 0 3 -3 0
COOLING
YESTERDAY 7 7 0 9
MONTH TO DATE 149 147 2 180
SINCE JUN 1 612 603 9 798
SINCE JAN 1 680 664 16 836
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 3.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 55 1:00 PM
AVERAGE 78
..........................................................
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 2026........SUNRISE 6:09 AM CDT SUNSET 7:49 PM CDT
AUGUST 21 2026........SUNRISE 6:10 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.
$$