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Climatological Report (Daily)
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CDUS43 KLOT 252134
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON SEP 25 2023

...................................

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2023...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         74   2:59 PM  92    2017  72      2       66
  MINIMUM         63   7:46 AM  38    2001  50     13       51
  AVERAGE         69                        61      8       59

PRECIPITATION (IN)
  TODAY            0.01          0.23 2018   0.10  -0.09     0.07
  MONTH TO DATE    2.45                      2.52  -0.07     2.35
  SINCE SEP 1      2.45                      2.52  -0.07     2.35
  SINCE JAN 1     24.90                     25.89  -0.99    27.08

DEGREE DAYS
 HEATING
  TODAY            0                         6     -6        6
  MONTH TO DATE   40                        68    -28       36
  SINCE SEP 1     40                        68    -28       36
  SINCE JUL 1     43                        79    -36       36

 COOLING
  TODAY            4                         2      2        0
  MONTH TO DATE   93                        82     11      122
  SINCE SEP 1     93                        82     11      122
  SINCE JAN 1    767                       806    -39      945
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     7.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           7:00 AM
 LOWEST     65           1:00 AM
 AVERAGE    76

..........................................................


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        91      2017
 MINIMUM TEMPERATURE (F)   50        38      2000


SUNRISE AND SUNSET
SEPTEMBER 25 2023.....SUNRISE   6:43 AM CDT   SUNSET   6:45 PM CDT
SEPTEMBER 26 2023.....SUNRISE   6:44 AM CDT   SUNSET   6:44 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
