314
CDUS43 KLOT 180639
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SUN MAY 18 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 17 2025...
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)
YESTERDAY
MAXIMUM 72 3:28 PM 85 1998 71 1 81
2001
MINIMUM 53 6:02 AM 32 2002 49 4 53
AVERAGE 63 60 3 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.12 2020 0.13 -0.13 0.00
MONTH TO DATE 0.72 2.46 -1.74 2.07
SINCE MAR 1 5.62 7.87 -2.25 8.84
SINCE JAN 1 7.19 10.38 -3.19 11.29
DEGREE DAYS
HEATING
YESTERDAY 2 6 -4 0
MONTH TO DATE 108 147 -39 71
SINCE MAR 1 1212 1489 -277 1162
SINCE JUL 1 5532 6266 -734 5223
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 27 14 13 9
SINCE MAR 1 33 20 13 17
SINCE JAN 1 33 20 13 17
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 16.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 6:00 AM
LOWEST 39 5:00 PM
AVERAGE 53
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 89 1998
MINIMUM TEMPERATURE (F) 49 30 2002
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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