619
CDUS43 KLOT 160635
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SAT MAY 16 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 15 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 74 97 2025 72 2 97
MINIMUM 51 35 2016 50 1 65
AVERAGE 63 61 2 81
PRECIPITATION (IN)
YESTERDAY 0.01 1.60 2009 0.15 -0.14 0.01
MONTH TO DATE 0.55 2.35 -1.80 0.50
SINCE MAR 1 11.27 9.17 2.10 8.34
SINCE JAN 1 13.90 13.34 0.56 9.76
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 2 6 -4 0
MONTH TO DATE 182 116 66 97
SINCE MAR 1 1156 1370 -214 1160
SINCE JUL 1 5737 5976 -239 5498
COOLING
YESTERDAY 0 2 -2 16
MONTH TO DATE 0 20 -20 30
SINCE MAR 1 13 30 -17 36
SINCE JAN 1 13 30 -17 36
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THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 2001
MINIMUM TEMPERATURE (F) 50 32 1997
SUNRISE AND SUNSET
MAY 16 2026...........SUNRISE 5:32 AM CDT SUNSET 8:06 PM CDT
MAY 17 2026...........SUNRISE 5:31 AM CDT SUNSET 8:07 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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