Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 122137
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT WED AUG 12 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 12 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 83 2:59 PM 99 1918 83 0 83
MINIMUM 69 3:38 AM 44 1967 63 6 68
AVERAGE 76 72 4 76
PRECIPITATION (IN)
TODAY T 1.10 1940 0.14 -0.14 0.81
MONTH TO DATE 1.42 1.56 -0.14 2.21
SINCE JUN 1 10.31 10.60 -0.29 12.08
SINCE JAN 1 21.29 24.16 -2.87 20.48
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 0
SINCE JUN 1 12 30 -18 9
SINCE JUL 1 0 3 -3 0
COOLING
TODAY 11 8 3 11
MONTH TO DATE 94 96 -2 107
SINCE JUN 1 557 552 5 725
SINCE JAN 1 625 613 12 763
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 67 3:00 PM
AVERAGE 82
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 1944
MINIMUM TEMPERATURE (F) 63 46 1931
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.
$$