175
CDUS43 KLOT 190649
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
149 AM CDT TUE MAY 19 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 18 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 77 93 1998 73 4 69
MINIMUM 64 31 2002 51 13 45
AVERAGE 71 62 9 57
PRECIPITATION (IN)
YESTERDAY 0.29 1.22 2000 0.16 0.13 0.00
MONTH TO DATE 0.94 2.81 -1.87 0.50
SINCE MAR 1 11.66 9.63 2.03 8.34
SINCE JAN 1 14.29 13.80 0.49 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 0 5 -5 8
MONTH TO DATE 182 132 50 109
SINCE MAR 1 1156 1386 -230 1172
SINCE JUL 1 5737 5992 -255 5510
COOLING
YESTERDAY 6 2 4 0
MONTH TO DATE 17 26 -9 38
SINCE MAR 1 30 36 -6 44
SINCE JAN 1 30 36 -6 44
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1996
MINIMUM TEMPERATURE (F) 51 38 1993
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 5:29 AM CDT SUNSET 8:09 PM CDT
MAY 20 2026...........SUNRISE 5:28 AM CDT SUNSET 8:10 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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