Climatological Report (Daily)
Issued by NWS

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871
CDUS43 KLOT 182135
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SAT MAY 18 2024

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 18 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         85   1:44 PM  89    1998  72     13       74
  MINIMUM         56   4:48 AM  30    2002  49      7       40
  AVERAGE         71                        61     10       57

PRECIPITATION (IN)
  TODAY            0.00          0.41 2004   0.14  -0.14     0.00
  MONTH TO DATE    2.07                      2.60  -0.53     1.14
  SINCE MAR 1      8.84                      8.01   0.83     5.42
  SINCE JAN 1     11.29                     10.52   0.77    10.46

DEGREE DAYS
 HEATING
  TODAY            0                         6     -6        8
  MONTH TO DATE   71                       153    -82      115
  SINCE MAR 1   1162                      1495   -333     1403
  SINCE JUL 1   5223                      6272  -1049     5753

 COOLING
  TODAY            6                         2      4        0
  MONTH TO DATE   15                        16     -1       15
  SINCE MAR 1     23                        22      1       26
  SINCE JAN 1     23                        22      1       26
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           4:00 AM
 LOWEST     44           3:00 PM
 AVERAGE    67

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        91      2012
 MINIMUM TEMPERATURE (F)   50        37      2002
                                             2008


SUNRISE AND SUNSET
MAY 18 2024...........SUNRISE   5:29 AM CDT   SUNSET   8:10 PM CDT
MAY 19 2024...........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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