Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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065
CDUS43 KLOT 210635
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE JUL 21 2026
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 20 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 78
MINIMUM 62 54 2000 65 -3 65
AVERAGE 72 75 -3 72
PRECIPITATION (IN)
YESTERDAY T 0.71 2018 0.15 -0.15 0.55
MONTH TO DATE 2.68 2.85 -0.17 2.52
SINCE JUN 1 11.27 7.53 3.74 5.52
SINCE JAN 1 26.26 23.33 2.93 16.44
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 7 10 -3 7
MONTH TO DATE 267 196 71 223
SINCE JUN 1 440 396 44 483
SINCE JAN 1 496 473 23 527
............................................................
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 2026..........SUNRISE 5:37 AM CDT SUNSET 8:21 PM CDT
JULY 22 2026..........SUNRISE 5:37 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.
$$