Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 120706
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
206 AM CDT WED AUG 12 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 11 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 81 2:51 PM 101 1941 83 -2 84
MINIMUM 67 8:46 AM 47 1982 63 4 71
AVERAGE 74 73 1 78
PRECIPITATION (IN)
YESTERDAY 0.65 1.95 1916 0.13 0.52 0.00
MONTH TO DATE 1.42 1.42 0.00 1.40
SINCE JUN 1 10.31 10.46 -0.15 11.27
SINCE JAN 1 21.29 24.02 -2.73 19.67
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 9 8 1 13
MONTH TO DATE 83 88 -5 96
SINCE JUN 1 546 544 2 714
SINCE JAN 1 614 605 9 752
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 69 4:00 PM
AVERAGE 85
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 1918
MINIMUM TEMPERATURE (F) 63 44 1967
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 6:01 AM CDT SUNSET 8:01 PM CDT
AUGUST 13 2026........SUNRISE 6:02 AM CDT SUNSET 8:00 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$