Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 130706
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
206 AM CDT THU AUG 13 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 12 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 84 4:43 PM 99 1918 83 1 83
MINIMUM 69 3:38 AM 44 1967 63 6 68
AVERAGE 77 72 5 76
PRECIPITATION (IN)
YESTERDAY 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)
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 12 8 4 11
MONTH TO DATE 95 96 -1 107
SINCE JUN 1 558 552 6 725
SINCE JAN 1 626 613 13 763
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 1944
MINIMUM TEMPERATURE (F) 63 46 1931
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 6:02 AM CDT SUNSET 8:00 PM CDT
AUGUST 14 2026........SUNRISE 6:03 AM CDT SUNSET 7:58 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$