Climatological Report (Daily)
Issued by NWS Chicago, IL

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585
CDUS43 KLOT 260633
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT SEP 26 2026

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 25 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   2:44 PM  95    1920  72     -3       78
  MINIMUM         53  11:59 PM  27    1942  50      3       53
  AVERAGE         61                        61      0       66

PRECIPITATION (IN)
  YESTERDAY        0.02          1.93 1993   0.11  -0.09     0.00
  MONTH TO DATE    6.45                      3.13   3.32     1.05
  SINCE SEP 1      6.45                      3.13   3.32     1.05
  SINCE JAN 1     28.68                     29.92  -1.24    22.62

SNOWFALL (IN)
  YESTERDAY        0.0           T    1928   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        4                         6     -2        0
  MONTH TO DATE   35                        72    -37       59
  SINCE SEP 1     35                        72    -37       59
  SINCE JUL 1     35                        83    -48       78

 COOLING
  YESTERDAY        0                         2     -2        1
  MONTH TO DATE  146                        82     64       86
  SINCE SEP 1    146                        82     64       86
  SINCE JAN 1    893                       821     72      943
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     3.2


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           4:00 AM
 LOWEST     54           4:00 PM
 AVERAGE    75

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1920
 MINIMUM TEMPERATURE (F)   49        26      1926


SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE   6:48 AM CDT   SUNSET   6:46 PM CDT
SEPTEMBER 27 2026.....SUNRISE   6:49 AM CDT   SUNSET   6:45 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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