154
CXUS53 KLOT 011612
CLMDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1112 AM CDT WED MAY 01 2024

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             88   04/18/2002
 LOW              16   04/07/2018
HIGHEST           82   04/14                          83  04/13
LOWEST            26   04/06                          27  04/26
AVG. MAXIMUM    61.7               59.6     2.1     62.1
AVG. MINIMUM    40.8               37.9     2.9     37.7
MEAN            51.2               48.8     2.4     49.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     5                8.2    -3.2       10
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.50   1999
 MINIMUM        0.92   2021
TOTALS          2.84               3.44   -0.60     2.46
DAILY AVG.      0.09               0.11   -0.02     0.08
DAYS >= .01       13               11.6     1.4       12
DAYS >= .10        8                7.3     0.7        7
DAYS >= .50        0                2.1    -2.1        2
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   0.87   04/26 TO 04/27               0.67


DEGREE DAYS
HEATING TOTAL    411                492     -81      458
 SINCE 7/1      5152               6118    -966       MM
COOLING TOTAL      8                  4       4       11
 SINCE 1/1         8                  6       2       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
HIGHEST WIND SPEED/DIRECTION    32/230    DATE  04/17
                                32/210          04/28
HIGHEST GUST SPEED/DIRECTION    49/210    DATE  04/28

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

$$