486
CDUS43 KLOT 210650
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON JUL 21 2025
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 20 2025
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)
YESTERDAY
MAXIMUM 78 98 2011 85 -7 79
MINIMUM 65 54 2000 65 0 60
AVERAGE 72 75 -3 70
PRECIPITATION (IN)
YESTERDAY 0.55 0.71 2018 0.15 0.40 0.00
MONTH TO DATE 2.52 2.85 -0.33 3.57
SINCE JUN 1 5.52 7.53 -2.01 8.55
SINCE JAN 1 16.44 23.33 -6.89 29.51
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 17 23 -6 8
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 7 10 -3 5
MONTH TO DATE 223 196 27 186
SINCE JUN 1 483 396 87 438
SINCE JAN 1 527 473 54 509
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 2011
MINIMUM TEMPERATURE (F) 65 56 1992
2000
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:37 AM CDT SUNSET 8:20 PM CDT
JULY 22 2025..........SUNRISE 5:38 AM CDT SUNSET 8:20 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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