Climatological Report (Daily)
Issued by NWS
Issued by NWS
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815
CDUS43 KLOT 212135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SAT JUN 21 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 21 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 93 2:59 PM 98 2022 82 11 92
MINIMUM 74 4:31 AM 46 2003 61 13 66
AVERAGE 84 71 13 79
PRECIPITATION (IN)
TODAY 0.00 0.93 2018 0.11 -0.11 0.00
MONTH TO DATE 2.07 2.67 -0.60 2.40
SINCE JUN 1 2.07 2.67 -0.60 2.40
SINCE JAN 1 10.13 14.93 -4.80 15.04
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 18 30 -12 11
SINCE JUN 1 18 30 -12 11
SINCE JUL 1 5675 6360 -685 5253
COOLING
TODAY 19 7 12 14
MONTH TO DATE 116 107 9 171
SINCE JUN 1 116 107 9 171
SINCE JAN 1 149 163 -14 225
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 17.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 6:00 AM
LOWEST 56 1:00 PM
AVERAGE 69
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 92 2024
MINIMUM TEMPERATURE (F) 61 48 2021
SUNRISE AND SUNSET
JUNE 21 2025..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT
JUNE 22 2025..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$