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

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CXUS53 KDVN 011523
CLMDBQ


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1010 AM CDT MON MAY 1 2017

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

...THE DUBUQUE CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1873 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              93   04/22/1980
 LOW               10   04/06/1982
HIGHEST            78   04/15        64      14
LOWEST             30   04/28        33      -3
                        04/07
                        04/01
AVG. MAXIMUM     60.5              58.5     2.0
AVG. MINIMUM     40.7              37.8     2.9
MEAN             50.6              48.2     2.4
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      4               7.0    -3.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.54   2013
 MINIMUM         0.38   1915
TOTALS           5.00              3.66    1.34
DAILY AVG.       0.17              0.12    0.05
DAYS >= .01        17              11.5     5.5
DAYS >= .10        11
DAYS >= .50         1
DAYS >= 1.00        1               0.8     0.2
GREATEST
 24 HR. TOTAL    2.25   04/15

SNOWFALL (INCHES)
RECORDS
 TOTAL           19.8   1973
TOTALS            0.1               2.0    -1.9
SINCE 7/1        27.2              41.9   -14.7
SNOWDEPTH AVG.      0
DAYS >= TRACE       4               1.1     2.9
DAYS >= 1.0         0               0.6    -0.6
GREATES
 SNOW DEPTH         0
 24 HR TOTAL      0.1   04/28

DEGREE_DAYS
HEATING TOTAL     429               510     -81
 SINCE 7/1       5799              6821   -1022
COOLING TOTAL       5                 5       0
 SINCE 1/1          5                 5       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.9
HIGHEST WIND SPEED/DIRECTION    35/070    DATE  04/29
HIGHEST GUST SPEED/DIRECTION    43/070    DATE  04/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     HAIL                       0
SLEET                     0     FOG                       17
FOG W/VIS <= 1/4 MILE     1     HAZE                       3

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

$$

NOTE: SUPPLEMENTAL CLIMATE DATA WAS USED FROM A BEARBY
CLIMATOLOGICALLY REPRESENTATIVE SITE.

PARAMETER     DATE
---------     ----
    SNW       ALL OBSERVED SNW ABOVE



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