Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 222158
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
458 PM CDT THU MAY 22 2025

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 22 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         58     88    2007  75    -17       79
  MINIMUM         46     32    1997  52     -6       58
  AVERAGE         52                 64    -12       69

PRECIPITATION (IN)
  TODAY            T      0.38 1993   0.16  -0.16     0.00
  MONTH TO DATE    1.33               3.44  -2.11     3.94
  SINCE MAR 1      9.17              10.26  -1.09    15.58
  SINCE JAN 1     10.59              14.43  -3.84    19.43

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 MAR 1      2.7                5.1   -2.4      0.6
  SINCE JUL 1     17.5               33.2  -15.7     18.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           13                  4      9        0
  MONTH TO DATE  162                150     12       50
  SINCE MAR 1   1225               1404   -179     1068
  SINCE JUL 1   5563               6010   -447     5028

 COOLING
  TODAY            0                  3     -3        4
  MONTH TO DATE   38                 36      2       47
  SINCE MAR 1     44                 46     -2       63
  SINCE JAN 1     44                 46     -2       63
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        90      2007
                                             2010
 MINIMUM TEMPERATURE (F)   53        40      1992


SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE   5:27 AM CDT   SUNSET   8:12 PM CDT
MAY 23 2025...........SUNRISE   5:26 AM CDT   SUNSET   8:13 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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