Climatological Report (Daily)
Issued by NWS Chicago, IL

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065
CDUS43 KLOT 210635
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE JUL 21 2026

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 20 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         81     98    2011  85     -4       78
  MINIMUM         62     54    2000  65     -3       65
  AVERAGE         72                 75     -3       72

PRECIPITATION (IN)
  YESTERDAY        T      0.71 2018   0.15  -0.15     0.55
  MONTH TO DATE    2.68               2.85  -0.17     2.52
  SINCE JUN 1     11.27               7.53   3.74     5.52
  SINCE JAN 1     26.26              23.33   2.93    16.44

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 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     12                 23    -11       17
  SINCE JUL 1      0                  0      0        0

 COOLING
  YESTERDAY        7                 10     -3        7
  MONTH TO DATE  267                196     71      223
  SINCE JUN 1    440                396     44      483
  SINCE JAN 1    496                473     23      527
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        99      2011
 MINIMUM TEMPERATURE (F)   65        56      1992
                                             2000


SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE   5:37 AM CDT   SUNSET   8:21 PM CDT
JULY 22 2026..........SUNRISE   5:37 AM CDT   SUNSET   8:20 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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