350
CDUS43 KLOT 172141
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN MAY 17 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 85 89 1996 73 12 70
MINIMUM 58 35 2002 51 7 52
AVERAGE 72 62 10 61
PRECIPITATION (IN)
TODAY 0.00 2.64 2020 0.15 -0.15 0.00
MONTH TO DATE 0.65 2.65 -2.00 0.50
SINCE MAR 1 11.37 9.47 1.90 8.34
SINCE JAN 1 14.00 13.64 0.36 9.76
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 6.0 5.1 0.9 2.7
SINCE JUL 1 30.7 33.2 -2.5 17.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 5 -5 4
MONTH TO DATE 182 127 55 101
SINCE MAR 1 1156 1381 -225 1164
SINCE JUL 1 5737 5987 -250 5502
COOLING
TODAY 7 2 5 0
MONTH TO DATE 11 24 -13 38
SINCE MAR 1 24 34 -10 44
SINCE JAN 1 24 34 -10 44
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1998
MINIMUM TEMPERATURE (F) 51 31 2002
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:31 AM CDT SUNSET 8:07 PM CDT
MAY 18 2026...........SUNRISE 5:30 AM CDT SUNSET 8:08 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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