497
CDUS43 KLOT 170633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN MAY 17 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 16 2026...
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)
YESTERDAY
MAXIMUM 83 1:52 PM 88 2001 71 12 86
MINIMUM 59 4:35 AM 34 2011 49 10 56
AVERAGE 71 60 11 71
PRECIPITATION (IN)
YESTERDAY 0.08 0.80 2002 0.14 -0.06 0.01
MONTH TO DATE 0.50 2.33 -1.83 0.72
SINCE MAR 1 10.80 7.74 3.06 5.62
SINCE JAN 1 12.05 10.25 1.80 7.19
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 0
MONTH TO DATE 192 141 51 106
SINCE MAR 1 1226 1483 -257 1210
SINCE JUL 1 5868 6260 -392 5531
COOLING
YESTERDAY 6 1 5 6
MONTH TO DATE 6 12 -6 27
SINCE MAR 1 18 18 0 33
SINCE JAN 1 18 18 0 33
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 46 2:00 PM
AVERAGE 70
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 85 1998
2001
MINIMUM TEMPERATURE (F) 49 32 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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