Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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123
CDUS43 KLOT 170647
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT SAT MAY 17 2025
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 16 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 88 90 2001 73 15 73
MINIMUM 57 32 1997 50 7 50
AVERAGE 73 61 12 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.04 2019 0.15 MM 0.02
MONTH TO DATE 0.50 2.50 -2.00 3.93
SINCE MAR 1 8.34 9.32 -0.98 15.57
SINCE JAN 1 9.76 13.49 -3.73 19.42
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 2.7 5.1 -2.4 0.6
SINCE JUL 1 17.5 33.2 -15.7 18.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 3
MONTH TO DATE 97 122 -25 50
SINCE MAR 1 1160 1376 -216 1068
SINCE JUL 1 5498 5982 -484 5028
COOLING
YESTERDAY 8 2 6 0
MONTH TO DATE 38 22 16 8
SINCE MAR 1 44 32 12 24
SINCE JAN 1 44 32 12 24
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1996
MINIMUM TEMPERATURE (F) 51 35 2002
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:31 AM CDT SUNSET 8:07 PM CDT
MAY 18 2025...........SUNRISE 5:30 AM CDT SUNSET 8:08 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$