Climatological Report (Daily)
Issued by NWS Chicago, IL

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029
CDUS43 KLOT 180635
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI SEP 18 2026

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2026


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   VALUE       VALUE  FROM      YEAR
                                           NORMAL
............................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84     91    2018  76      8       84
  MINIMUM         67     44    1999  55     12       58
                               2014
  AVERAGE         76                 66     10       71

PRECIPITATION (IN)
  YESTERDAY        2.69R  1.02 2023   0.10   2.59     0.00
  MONTH TO DATE    2.92               1.92   1.00     0.43
  SINCE SEP 1      2.92               1.92   1.00     0.43
  SINCE JAN 1     38.40              31.26   7.14    25.44

SNOWFALL (IN)
  YESTERDAY        0.0   MM      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        0                  3     -3        0
  MONTH TO DATE    3                 25    -22       49
  SINCE SEP 1      3                 25    -22       49
  SINCE JUL 1      3                 31    -28       61

 COOLING
  YESTERDAY       11                  3      8        6
  MONTH TO DATE  170                 78     92       57
  SINCE SEP 1    170                 78     92       57
  SINCE JAN 1   1005                903    102      960
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        88      2000
                                             2007
 MINIMUM TEMPERATURE (F)   55        43      1995


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   6:36 AM CDT   SUNSET   6:56 PM CDT
SEPTEMBER 19 2026.....SUNRISE   6:37 AM CDT   SUNSET   6:55 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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