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

123
CXUS53 KDVN 011920
CLADBQ

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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1873 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            110   07/14/1936
 LOW             -32   01/07/1887
HIGHEST           93   08/24         82      11
LOWEST           -16   02/14         11     -27
AVG. MAXIMUM    57.6               56.6     1.0
AVG. MINIMUM    38.9               38.1     0.8
MEAN            48.3               47.3     1.0
DAYS MAX >= 90    11                6.2     4.8
DAYS MAX <= 32    51               59.3    -8.3
DAYS MIN <= 32   157              140.0    17.0
DAYS MIN <= 0      7               15.5    -8.5

PRECIPITATION (INCHES)
TOTALS         31.91              36.29   -4.38
DAILY AVG.      0.11               0.10    0.01
DAYS >= .01      106              120.1   -14.1
DAYS >= .10       58
DAYS >= .50       29
DAYS >= 1.00      12                7.8     4.2
GREATEST
 24 HR. TOTAL   2.50   09/07 TO 09/08

SNOWFALL (INCHES)
TOTALS          41.2               41.9    -0.7
SINCE 7/1       21.5               14.6     6.9
SNOWDEPTH AVG.     1
DAYS >= TRACE     51               29.0    22.0
DAYS >= 1.0       12               12.9    -0.9
GREATEST
 SNOW DEPTH       MM
 24 HR TOTAL     9.4   12/11 TO 12/12

DEGREE DAYS
HEATING TOTAL   6770               7087    -317
 SINCE 7/1      2626               2812    -186
COOLING TOTAL    756                643     113
 SINCE 1/1       756                643     113
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    41/340    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    57/340    DATE  07/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR          190
NUMBER OF DAYS PC             94
NUMBER OF DAYS CLOUDY         82

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             43     HAIL                       1
SLEET                     2     FOG                      181
FOG W/VIS <= 1/4 MILE    33     HAZE                      48

-  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 DUBI4

$$

===================================================================

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

DBQ
PARAMETER   DATE
---------   ----
   SNOW      ALL OBSERVED SNOW DURING YEAR

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