403
CDUS43 KLOT 200639
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT MON JUL 20 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 19 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 81 98 2011 85 -4 82
MINIMUM 66 56 2024 65 1 70
AVERAGE 74 75 -1 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.88 2020 0.15 -0.15 0.54
MONTH TO DATE 2.68 2.70 -0.02 1.97
SINCE JUN 1 11.27 7.38 3.89 4.97
SINCE JAN 1 26.26 23.18 3.08 15.89
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 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
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 12 23 -11 17
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 9 10 -1 11
MONTH TO DATE 260 186 74 216
SINCE JUN 1 433 386 47 476
SINCE JAN 1 489 463 26 520
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 2011
MINIMUM TEMPERATURE (F) 65 54 2000
SUNRISE AND SUNSET
JULY 20 2026..........SUNRISE 5:36 AM CDT SUNSET 8:21 PM CDT
JULY 21 2026..........SUNRISE 5:37 AM CDT SUNSET 8:21 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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