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

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000
CXUS53 KDVN 011900
CLADVN

CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
100 PM CST FRI JAN 01 2021

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

...THE DAVENPORT IA CLIMATE SUMMARY FOR THE YEAR OF 2020...

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           94   06/02         84      10
                       08/24
LOWEST           -10   02/14         12     -22
AVG. MAXIMUM    60.9               59.4     1.5
AVG. MINIMUM    41.2               39.2     2.0
MEAN            51.0               49.3     1.7     49.2
DAYS MAX >= 90    17
DAYS MAX <= 32    32
DAYS MIN <= 32   136
DAYS MIN <= 0      5

PRECIPITATION (INCHES)
TOTALS         38.34R             36.03    2.31
DAILY AVG.      0.10               0.10    0.00
DAYS >= .01      106
DAYS >= .10       65
DAYS >= .50       22
DAYS >= 1.00      10
GREATEST
 24 HR. TOTAL     MM

SNOWFALL (INCHES)
TOTALS          40.4                 MM      MM
SINCE 7/1       13.0                 MM      MM
SNOWDEPTH AVG.     0
DAYS >= TRACE     67                 MM      MM
DAYS >= 1.0       14                 MM      MM
GREATEST
 SNOW DEPTH        7   12/30
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL   5942               6511    -569
 SINCE 7/1      2298               2580    -282
COOLING TOTAL    960                786     174
 SINCE 1/1       958                786     172
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    54/290    DATE  08/10
HIGHEST GUST SPEED/DIRECTION    87/280    DATE  08/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.31
NUMBER OF DAYS FAIR          192
NUMBER OF DAYS PC            102
NUMBER OF DAYS CLOUDY         71

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             36     HAIL                       3
SLEET                     4     FOG                      171
FOG W/VIS <= 1/4 MILE    22     HAZE                      83

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

SUPPLIMENTAL PRECIPITATION AND SNOW DATA FROM DVNI4

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