352
CDUS43 KLOT 172141
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN MAY 17 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 85R 2:59 PM 85 1998 71 14 72
2001
MINIMUM 64 5:12 AM 32 2002 49 15 53
AVERAGE 75 60 15 63
PRECIPITATION (IN)
TODAY 0.00 2.12 2020 0.13 -0.13 0.00
MONTH TO DATE 0.50 2.46 -1.96 0.72
SINCE MAR 1 10.80 7.87 2.93 5.62
SINCE JAN 1 12.05 10.38 1.67 7.19
DEGREE DAYS
HEATING
TODAY 0 6 -6 2
MONTH TO DATE 192 147 45 108
SINCE MAR 1 1226 1489 -263 1212
SINCE JUL 1 5868 6266 -398 5533
COOLING
TODAY 10 2 8 0
MONTH TO DATE 16 14 2 27
SINCE MAR 1 28 20 8 33
SINCE JAN 1 28 20 8 33
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 11.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 49 2:00 PM
AVERAGE 71
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 89 1998
MINIMUM TEMPERATURE (F) 49 30 2002
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:31 AM CDT SUNSET 8:09 PM CDT
MAY 18 2026...........SUNRISE 5:30 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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