Climatological Report (Daily)
Issued by NWS Chicago, IL

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409
CDUS43 KLOT 170647
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT THU JUL 17 2025

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 16 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         92     97    2012  85      7       87
  MINIMUM         70     53    2014  65      5       69
  AVERAGE         81                 75      6       78

PRECIPITATION (IN)
  YESTERDAY        0.40   0.79 2015   0.15   0.25      T
  MONTH TO DATE    1.43               2.26  -0.83     3.57
  SINCE JUN 1      4.43               6.94  -2.51     8.55
  SINCE JAN 1     15.35              22.74  -7.39    29.51

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 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
  YESTERDAY        0                  0      0        0
  MONTH TO DATE    0                  0      0        0
  SINCE JUN 1     17                 23     -6        8
  SINCE JUL 1      0                  0      0        0

 COOLING
  YESTERDAY       16                 10      6       13
  MONTH TO DATE  195                156     39      167
  SINCE JUN 1    455                356     99      419
  SINCE JAN 1    499                433     66      490
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        99      2012
 MINIMUM TEMPERATURE (F)   65        53      2009


SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE   5:33 AM CDT   SUNSET   8:23 PM CDT
JULY 18 2025..........SUNRISE   5:34 AM CDT   SUNSET   8:23 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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