Climatological Report (Daily)
Issued by NWS Chicago, IL

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865
CDUS43 KLOT 132134
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SUN SEP 13 2026

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 13 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         69  10:21 AM  99    1939  77     -8       82
  MINIMUM         54   3:10 AM  32    1975  55     -1       64
  AVERAGE         62                        66     -4       73

PRECIPITATION (IN)
  TODAY            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)
  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            3                         3      0        0
  MONTH TO DATE    3                        21    -18       59
  SINCE SEP 1      3                        21    -18       59
  SINCE JUL 1      3                        32    -29       78

 COOLING
  TODAY            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     5.8


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           2:00 AM
 LOWEST     57          10:00 AM
 AVERAGE    79

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76       101      1939
 MINIMUM TEMPERATURE (F)   54        30      1923


SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE   6:34 AM CDT   SUNSET   7:09 PM CDT
SEPTEMBER 14 2026.....SUNRISE   6:35 AM CDT   SUNSET   7:08 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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