275
CXUS53 KDVN 011336
CLMDBQ

CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
836 AM CDT THU OCT 01 2026

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

...THE DUBUQUE IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1873 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/07/1939
                       09/06/1922
 LOW              24   09/30/1899
HIGHEST           91   09/01         77      14
                       09/03
                       09/04
LOWEST            47   09/23         45       2
AVG. MAXIMUM    74.4               72.9     1.5
AVG. MINIMUM    59.2               51.8     7.4
MEAN            66.8               62.3     4.5
DAYS MAX >= 90     3                0.3     2.7
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.3    -0.3
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       15.46   1965
 MINIMUM        0.07   1979
TOTALS          9.41               3.82    5.59
DAILY AVG.      0.31               0.13    0.18
DAYS >= .01       15                8.7     6.3
DAYS >= .10       11
DAYS >= .50        4
DAYS >= 1.00       3                0.9     2.1
GREATEST
 24 HR. TOTAL   3.47   09/18 TO 09/19

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2023
TOTALS           0.0                0.0     0.0
SINCE 7/1        0.0                0.0     0.0
SNOWDEPTH AVG.     0
DAYS >= TRACE      0                0.0     0.0
DAYS >= 1.0        0                0.0     0.0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL     61                142     -81
 SINCE 7/1        63                169    -106
COOLING TOTAL    122                 63      59
 SINCE 1/1       861                630     231
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
HIGHEST WIND SPEED/DIRECTION    28/280    DATE  09/14
HIGHEST GUST SPEED/DIRECTION    MM        DATE   MM

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.51
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     HAIL                       0
SLEET                     0     FOG                       20
FOG W/VIS <= 1/4 MILE     5     HAZE                       2

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

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