Climatological Report (Daily)
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
863
CDUS43 KLOT 172147
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
447 PM CDT SUN AUG 17 2025

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 17 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         84     90    1995  83      1       81
  MINIMUM         68     49    1992  63      5       67
  AVERAGE         76                 73      3       74

PRECIPITATION (IN)
  TODAY            2.59R  0.77 1997   0.15   2.44     0.03
  MONTH TO DATE    3.51               2.41   1.10     2.31
  SINCE JUN 1     11.37              11.59  -0.22    11.30
  SINCE JAN 1     22.29              27.39  -5.10    32.26

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        2
  SINCE JUN 1     17                 25     -8       10
  SINCE JUL 1      0                  2     -2        2

 COOLING
  TODAY           11                  8      3        9
  MONTH TO DATE  186                147     39      138
  SINCE JUN 1    809                647    162      677
  SINCE JAN 1    853                724    129      748
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        90      1995
 MINIMUM TEMPERATURE (F)   63        53      2002
                                             2012


SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE   6:03 AM CDT   SUNSET   7:49 PM CDT
AUGUST 18 2025........SUNRISE   6:04 AM CDT   SUNSET   7:47 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$