271
CDUS43 KLOT 182136
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT SUN MAY 18 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 70 2:41 PM 89 1998 72 -2 85
MINIMUM 50 5:11 AM 30 2002 49 1 56
AVERAGE 60 61 -1 71
PRECIPITATION (IN)
TODAY 0.00 0.41 2004 0.14 -0.14 0.00
MONTH TO DATE 0.72 2.60 -1.88 2.07
SINCE MAR 1 5.62 8.01 -2.39 8.84
SINCE JAN 1 7.19 10.52 -3.33 11.29
DEGREE DAYS
HEATING
TODAY 5 6 -1 0
MONTH TO DATE 113 153 -40 71
SINCE MAR 1 1217 1495 -278 1162
SINCE JUL 1 5537 6272 -735 5223
COOLING
TODAY 0 2 -2 6
MONTH TO DATE 27 16 11 15
SINCE MAR 1 33 22 11 23
SINCE JAN 1 33 22 11 23
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 3:00 AM
LOWEST 45 2:00 PM
AVERAGE 61
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2012
MINIMUM TEMPERATURE (F) 50 37 2002
2008
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 5:30 AM CDT SUNSET 8:10 PM CDT
MAY 19 2025...........SUNRISE 5:29 AM CDT SUNSET 8:11 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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