215
CDUS43 KLOT 220639
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT FRI MAY 22 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 21 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 63 89 2024 74 -11 55
MINIMUM 47 32 2002 52 -5 48
AVERAGE 55 63 -8 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.08 2018 0.15 -0.15 0.05
MONTH TO DATE 0.94 3.28 -2.34 1.33
SINCE MAR 1 11.66 10.10 1.56 9.17
SINCE JAN 1 14.29 14.27 0.02 10.59
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 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
YESTERDAY 10 4 6 13
MONTH TO DATE 203 146 57 149
SINCE MAR 1 1177 1400 -223 1212
SINCE JUL 1 5758 6006 -248 5550
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 20 33 -13 38
SINCE MAR 1 33 43 -10 44
SINCE JAN 1 33 43 -10 44
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THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 88 2007
MINIMUM TEMPERATURE (F) 52 32 1997
SUNRISE AND SUNSET
MAY 22 2026...........SUNRISE 5:27 AM CDT SUNSET 8:12 PM CDT
MAY 23 2026...........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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