Climatological Report (Daily)
Issued by NWS Chicago, IL

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492
CDUS43 KLOT 300633
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU JUL 30 2026

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 29 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         80     95    1999  84     -4       89
  MINIMUM         63     52    1994  65     -2       70
                               2013
  AVERAGE         72                 74     -2       80

PRECIPITATION (IN)
  YESTERDAY        0.00   0.53 2019   0.15  -0.15     0.00
  MONTH TO DATE    4.58               4.20   0.38     4.55
  SINCE JUN 1     13.17               8.88   4.29     7.55
  SINCE JAN 1     28.16              24.68   3.48    18.47

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       15
  MONTH TO DATE  329                286     43      346
  SINCE JUN 1    502                486     16      606
  SINCE JAN 1    558                563     -5      650
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      1999
 MINIMUM TEMPERATURE (F)   65        54      1994


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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