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

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CXUS53 KDVN 011020
CLMDVN


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

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

...THE DAVENPORT IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            93   09/20        80      13
LOWEST             39   09/30        46      -7
AVG. MAXIMUM     79.6              75.0     4.6
AVG. MINIMUM     53.2              51.6     1.6
MEAN             66.4              63.3     3.1
DAYS MAX >= 90      3
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           3.84              3.06    0.78
DAILY AVG.       0.13              0.10    0.03
DAYS >= .01         3
DAYS >= .10         2
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    3.83   09/20 TO 09/21

SNOWFALL (INCHES)
TOTALS              T
SINCE 7/1           T
SNOWDEPTH AVG.      0
DAYS >= TRACE       1
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL        T   09/20 TO 09/20

DEGREE_DAYS
HEATING TOTAL      76               121     -45
 SINCE 7/1         88               135     -47
COOLING TOTAL     122                70      52
 SINCE 1/1        743               774     -31
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
HIGHEST WIND SPEED/DIRECTION    40/170    DATE  09/20
HIGHEST GUST SPEED/DIRECTION    54/170    DATE  09/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HAIL                       1
SLEET                     0     FOG                       13
FOG W/VIS <= 1/4 MILE     1     HAZE                       1

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

$$



NOTE: SUPPLEMENTAL CLIMATE DATA WAS USED FROM A NEARBY
CLIMATOLOGICALLY REPRESENTATIVE STATION.

THE /SNOWFALL/ OBSERVED WAS IN THE FORM OF HAIL.



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