Climatological Report (Daily)
Issued by NWS Chicago, IL

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787
CDUS43 KLOT 302135
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU JUL 30 2026

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 30 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         85    100    1999  84      1       85
  MINIMUM         63     54    1994  65     -2       68
  AVERAGE         74                 74      0       77

PRECIPITATION (IN)
  TODAY            0.00   1.33 2000   0.15  -0.15     0.31
  MONTH TO DATE    4.58               4.35   0.23     4.86
  SINCE JUN 1     13.17               9.03   4.14     7.86
  SINCE JAN 1     28.16              24.83   3.33    18.78

SNOWFALL (IN)
  TODAY            0.0   MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                0.0    0.0      0.0
  SINCE JUN 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            0                  0      0        0
  MONTH TO DATE    0                  0      0        0
  SINCE JUN 1     12                 23    -11       17
  SINCE JUL 1      0                  0      0        0

 COOLING
  TODAY            9                  9      0       12
  MONTH TO DATE  338                295     43      358
  SINCE JUN 1    511                495     16      618
  SINCE JAN 1    567                572     -5      662
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        96      2006
 MINIMUM TEMPERATURE (F)   64        55      1997
                                             2009


SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE   5:45 AM CDT   SUNSET   8:12 PM CDT
JULY 31 2026..........SUNRISE   5:46 AM CDT   SUNSET   8:11 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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