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

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CXUS53 KDVN 011219
CLSMLI


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
617 AM CST FRI DEC 1 2017

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

...THE MOLINE CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

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              -10   11/29/1891
HIGHEST            94   09/23        82      12
                        09/20
LOWEST             18   11/22        24      -6
AVG. MAXIMUM     66.0              63.4     2.6
AVG. MINIMUM     43.9              42.4     1.5
MEAN             54.9              52.9     2.0
DAYS MAX >= 90      6               2.1     3.9
DAYS MAX <= 32      0               2.3    -2.3
DAYS MIN <= 32     25              21.1     3.9
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           9.47              8.62    0.85
DAILY AVG.       0.10              0.09    0.01
DAYS >= .01        23              27.1    -4.1
DAYS >= .10        11
DAYS >= .50         4
DAYS >= 1.00        4               1.9     2.1
GREATEST
 24 HR. TOTAL    3.57   10/13 TO 10/14

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS              T               1.2    -1.2
SINCE 7/1           T               1.2    -1.2
SNOWDEPTH AVG.      0
DAYS >= TRACE       3               1.7     1.3
DAYS >= 1.0         0               0.4    -0.4
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL    1072              1223    -151
 SINCE 7/1       1073              1231    -158
COOLING TOTAL     182               121      61
 SINCE 1/1        993              1004     -11
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
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           0.30
NUMBER OF DAYS FAIR           54
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     HAIL                       0
SLEET                     0     FOG                       35
FOG W/VIS <= 1/4 MILE     7     HAZE                      17

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

$$





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