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Climatological Report (Annual)
Issued by NWS Quad Cities, IA IL
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CXUS53 KDVN 061711 CCA
CLADVN

CLIMATE REPORT...CORRECTION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1111 AM CST SUN JAN 6 2013


...CORRECTED AVG MAX AND DEGREE DAYS SECTION...


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

...THE DAVENPORT IA CLIMATE SUMMARY FOR THE YEAR OF 2012...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
HIGHEST           100   07/07        MM      MM
LOWEST              0   01/19        MM      MM
AVG. MAXIMUM     63.9              59.4     4.5
AVG. MINIMUM     41.7              39.2     2.5
MEAN             52.8              49.3             49.9
DAYS MAX >= 90     42
DAYS MAX <= 32     28
DAYS MIN <= 32    124
DAYS MIN <= 0       1

PRECIPITATION (INCHES)
TOTALS          30.27             36.03   -5.76
DAILY AVG.       0.08              0.10   -0.02
DAYS >= .01        99
DAYS >= .10        64
DAYS >= .50        19
DAYS >= 1.00        4
GREATEST
 24 HR. TOTAL    2.45   08/26
                        08/04

SNOWFALL (INCHES)
TOTALS           25.0
SINCE 7/1         5.6
SNOWDEPTH AVG.      0
DAYS >= TRACE      46
DAYS >= 1.0         6
GREATEST
 SNOW DEPTH         4   12/22
                        12/21
                        01/21
 24 HR TOTAL      5.3   MM

DEGREE_DAYS
HEATING TOTAL    5464              6511   -1047
 SINCE 7/1       2442              2580    -138
COOLING TOTAL    1114               786     328
 SINCE 1/1       1114               786     328
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    44/330    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    55/320    DATE  12/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR          241
NUMBER OF DAYS PC             70
NUMBER OF DAYS CLOUDY         54

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             42     HAIL                       2
SLEET                     0     FOG                      180
FOG W/VIS <= 1/4 MILE    30     HAZE                     124

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

$$
National Weather Service National Headquarters
