Climatological Report (Daily)
Issued by NWS Chicago, IL

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143
CDUS43 KLOT 120635
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SUN OCT 12 2025

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 11 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2025


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   VALUE       VALUE  FROM      YEAR
                                           NORMAL
............................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67     83    2024  66      1       83
  MINIMUM         50     27    2009  45      5       48
  AVERAGE         59                 56      3       66

PRECIPITATION (IN)
  YESTERDAY        0.00   0.71 2021   0.13  -0.13     0.00
  MONTH TO DATE    0.67               1.34  -0.67     0.27
  SINCE SEP 1      1.38               4.65  -3.27     2.68
  SINCE JAN 1     26.39              33.99  -7.60    36.02

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        6                 10     -4        0
  MONTH TO DATE   42                 89    -47       40
  SINCE SEP 1     91                169    -78       63
  SINCE JUL 1    103                175    -72       67

 COOLING
  YESTERDAY        0                  1     -1        1
  MONTH TO DATE   42                 12     30        7
  SINCE SEP 1    173                118     55      153
  SINCE JAN 1   1076                943    133     1022
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        85      2008
 MINIMUM TEMPERATURE (F)   45        30      2006


SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE   7:01 AM CDT   SUNSET   6:15 PM CDT
OCTOBER 13 2025.......SUNRISE   7:02 AM CDT   SUNSET   6:14 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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