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

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CXUS53 KDVN 011020
CLMMLI


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             100   09/15/1939
                        09/06/1922
 LOW               24   09/28/1942
HIGHEST            94   09/23        82      12
                        09/20
LOWEST             42   09/30        48      -6
AVG. MAXIMUM     81.7              76.8     4.9
AVG. MINIMUM     54.6              53.9     0.7
MEAN             68.1              65.4     2.7
DAYS MAX >= 90      6               1.9     4.1
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.2    -0.2
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.18   1970
 MINIMUM         0.02   1979
TOTALS           2.39              3.09   -0.70
DAILY AVG.       0.08              0.10   -0.02
DAYS >= .01         6               8.2    -2.2
DAYS >= .10         2
DAYS >= .50         2
DAYS >= 1.00        2               0.8     1.2
GREATEST
 24 HR. TOTAL    2.26   09/20 TO 09/21

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
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      48                96     -48
 SINCE 7/1         49               104     -55
COOLING TOTAL     149               106      43
 SINCE 1/1        960               989     -29
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    40/270    DATE  09/21
HIGHEST GUST SPEED/DIRECTION    51/270    DATE  09/21

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)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     HAIL                       0
SLEET                     0     FOG                       10
FOG W/VIS <= 1/4 MILE     3     HAZE                       1

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

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