Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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022
CDUS43 KLOT 212140
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT MON SEP 21 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 21 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 64 12:46 PM 94 1920 74 -10 79
MINIMUM 60 8:15 AM 34 1995 51 9 60
AVERAGE 62 62 0 70
PRECIPITATION (IN)
TODAY T 3.20 1950 0.13 -0.13 0.74
MONTH TO DATE 6.14 2.67 3.47 1.05
SINCE SEP 1 6.14 2.67 3.47 1.05
SINCE JAN 1 28.37 29.46 -1.09 22.62
SNOWFALL (IN)
TODAY 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
TODAY 3 5 -2 0
MONTH TO DATE 18 51 -33 59
SINCE SEP 1 18 51 -33 59
SINCE JUL 1 18 62 -44 78
COOLING
TODAY 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 8.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 65 3:00 PM
AVERAGE 79
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1937
MINIMUM TEMPERATURE (F) 51 30 1976
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:43 AM CDT SUNSET 6:55 PM CDT
SEPTEMBER 22 2026.....SUNRISE 6:44 AM CDT SUNSET 6:54 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$