Climatological Report (Daily)
Issued by NWS Chicago, IL

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106
CDUS43 KLOT 272134
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SUN SEP 27 2026

...................................

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 27 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         75   2:02 PM  90    2021  71      4       87
  MINIMUM         46   6:10 AM  29    1942  49     -3       54
  AVERAGE         61                        60      1       71

PRECIPITATION (IN)
  TODAY            0.00          2.00 1999   0.10  -0.10     0.00
  MONTH TO DATE    6.45                      3.34   3.11     1.05
  SINCE SEP 1      6.45                      3.34   3.11     1.05
  SINCE JAN 1     28.68                     30.13  -1.45    22.62

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 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            4                         6     -2        0
  MONTH TO DATE   44                        84    -40       59
  SINCE SEP 1     44                        84    -40       59
  SINCE JUL 1     44                        95    -51       78

 COOLING
  TODAY            0                         1     -1        6
  MONTH TO DATE  146                        85     61       96
  SINCE SEP 1    146                        85     61       96
  SINCE JAN 1    893                       824     69      953
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     1.0


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM
 LOWEST     39           1:00 PM
 AVERAGE    70

..........................................................


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        91      1952
 MINIMUM TEMPERATURE (F)   48        24      1942


SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE   6:49 AM CDT   SUNSET   6:45 PM CDT
SEPTEMBER 28 2026.....SUNRISE   6:50 AM CDT   SUNSET   6:43 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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