Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 140633
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON SEP 14 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 13 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 69 10:21 AM 99 1939 77 -8 82
MINIMUM 48 11:58 PM 32 1975 55 -7 64
AVERAGE 59 66 -7 73
PRECIPITATION (IN)
YESTERDAY 0.04 5.56 1961 0.12 -0.08 0.22
MONTH TO DATE 0.31 1.68 -1.37 0.30
SINCE SEP 1 0.31 1.68 -1.37 0.30
SINCE JAN 1 22.54 28.47 -5.93 21.87
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 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 3 3 0
MONTH TO DATE 6 21 -15 59
SINCE SEP 1 6 21 -15 59
SINCE JUL 1 6 32 -26 78
COOLING
YESTERDAY 0 3 -3 8
MONTH TO DATE 129 54 75 19
SINCE SEP 1 129 54 75 19
SINCE JAN 1 876 793 83 876
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 57 10:00 AM
AVERAGE 79
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 101 1939
MINIMUM TEMPERATURE (F) 54 30 1923
SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE 6:35 AM CDT SUNSET 7:08 PM CDT
SEPTEMBER 15 2026.....SUNRISE 6:36 AM CDT SUNSET 7:06 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$