Climatological Report (Daily)
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193
CDUS43 KLOT 180636
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT FRI APR 18 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 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         63  12:35 PM  84    2002  60      3       67
  MINIMUM         40  12:24 AM  25    2022  38      2       49
  AVERAGE         52                        49      3       58

PRECIPITATION (IN)
  YESTERDAY        0.08          1.59 2013   0.13  -0.05     0.00
  MONTH TO DATE    1.01                      1.68  -0.67     1.14
  SINCE MAR 1      3.91                      3.65   0.26     5.07
  SINCE JAN 1      5.48                      6.16  -0.68     7.52

DEGREE DAYS
 HEATING
  YESTERDAY       13                        16     -3        7
  MONTH TO DATE  337                       317     20      242
  SINCE MAR 1    999                      1167   -168      922
  SINCE JUL 1   5319                      5944   -625     4983

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE MAR 1      0                         2     -2        1
  SINCE JAN 1      0                         2     -2        1
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    15.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           4:00 PM
 LOWEST     36          11:00 AM
 AVERAGE    61

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        88      2002
 MINIMUM TEMPERATURE (F)   39        26      2018


SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE   6:08 AM CDT   SUNSET   7:38 PM CDT
APRIL 19 2025.........SUNRISE   6:06 AM CDT   SUNSET   7:39 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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