913
CDUS43 KLOT 190631
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT MON OCT 19 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 78 2007 62 1 73
MINIMUM 38 27 2015 41 -3 58
AVERAGE 51 51 0 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.57 2025 0.09 -0.09 0.57
MONTH TO DATE 2.61 1.85 0.76 2.42
SINCE SEP 1 7.35 4.85 2.50 3.06
SINCE JAN 1 36.49 28.22 8.27 23.59
DEGREE DAYS
HEATING
YESTERDAY 14 14 0 0
MONTH TO DATE 105 191 -86 73
SINCE SEP 1 158 291 -133 120
SINCE JUL 1 159 302 -143 131
COOLING
YESTERDAY 0 0 0 1
MONTH TO DATE 20 9 11 49
SINCE SEP 1 169 97 72 176
SINCE JAN 1 850 821 29 1084
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 38 4:00 PM
AVERAGE 61
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 75 2000
MINIMUM TEMPERATURE (F) 41 28 1997
SUNRISE AND SUNSET
OCTOBER 19 2026.......SUNRISE 7:10 AM CDT SUNSET 6:05 PM CDT
OCTOBER 20 2026.......SUNRISE 7:11 AM CDT SUNSET 6:04 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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