Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 220634
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE SEP 22 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 21 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 64 12:46 PM 94 1920 74 -10 79
MINIMUM 54 11:23 PM 34 1995 51 3 60
AVERAGE 59 62 -3 70
PRECIPITATION (IN)
YESTERDAY 0.08 3.20 1950 0.13 -0.05 0.74
MONTH TO DATE 6.22 2.67 3.55 1.05
SINCE SEP 1 6.22 2.67 3.55 1.05
SINCE JAN 1 28.45 29.46 -1.01 22.62
SNOWFALL (IN)
YESTERDAY 0.0 T 2016 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 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 6 5 1 0
MONTH TO DATE 21 51 -30 59
SINCE SEP 1 21 51 -30 59
SINCE JUL 1 21 62 -41 78
COOLING
YESTERDAY 0 2 -2 5
MONTH TO DATE 146 74 72 75
SINCE SEP 1 146 74 72 75
SINCE JAN 1 893 813 80 932
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 65 3:00 PM
AVERAGE 79
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1937
MINIMUM TEMPERATURE (F) 51 30 1976
SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE 6:44 AM CDT SUNSET 6:54 PM CDT
SEPTEMBER 23 2026.....SUNRISE 6:45 AM CDT SUNSET 6:52 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$