979
CXUS53 KLOT 011600
CLMDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1100 AM CDT TUE APR 01 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             83   03/22/2012
                       03/21/2012
                       03/20/2012
 LOW              -9   03/04/2002
HIGHEST           80   03/14                          72  03/03
                                                          03/04
LOWEST            12   03/02                          23  03/21
AVG. MAXIMUM    54.8               47.0     7.8     52.9
AVG. MINIMUM    31.9               28.3     3.6     32.7
MEAN            43.4               37.7     5.7     42.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                3.2    -3.2        0
DAYS MIN <= 32    18               21.4    -3.4       17
DAYS MIN <= 0      0                0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.15   2009
 MINIMUM        0.50   2015
TOTALS          2.90               1.97    0.93     3.93
DAILY AVG.      0.09               0.06    0.03     0.13
DAYS >= .01       12                9.4     2.6       10
DAYS >= .10        9                5.2     3.8        6
DAYS >= .50        2                1.1     0.9        3
DAYS >= 1.00       0                0.1    -0.1        1
GREATEST
 24 HR. TOTAL   0.85   03/19 TO 03/20               1.29


DEGREE DAYS
HEATING TOTAL    662                850    -188      680
 SINCE 7/1      4982               5626    -644       MM
COOLING TOTAL      0                  2      -2        0
 SINCE 1/1         0                  2      -2       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.5
HIGHEST WIND SPEED/DIRECTION    44/210    DATE  03/14
HIGHEST GUST SPEED/DIRECTION    61/220    DATE  03/14

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                5     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$