Climatological Report (Monthly)
Issued by NWS Quad Cities IA IL

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CXUS53 KDVN 011020
CLMDBQ


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
520 AM CDT SUN OCT 1 2017

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

...THE DUBUQUE CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1873 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              99   09/07/1939
                        09/06/1922
 LOW               24   09/30/1899
HIGHEST            89   09/23        77      12
LOWEST             42   09/28        45      -3
AVG. MAXIMUM     76.6              72.4     4.2
AVG. MINIMUM     53.6              51.6     2.0
MEAN             65.1              62.0     3.1
DAYS MAX >= 90      0               0.2    -0.2
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           1.02              3.46   -2.44
DAILY AVG.       0.03              0.12   -0.09
DAYS >= .01         3               8.9    -5.9
DAYS >= .10         2
DAYS >= .50         1
DAYS >= 1.00        0               0.8    -0.8
GREATEST
 24 HR. TOTAL    0.52   09/20 TO 09/20

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1942
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   MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL      89               151     -62
 SINCE 7/1        115               178     -63
COOLING TOTAL     102                61      41
 SINCE 1/1        557               637     -80
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    26/340    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    32/340    DATE  09/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HAIL                       0
SLEET                     0     FOG                       12
FOG W/VIS <= 1/4 MILE     4     HAZE                       3

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

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