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

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104
CXUS53 KDVN 011006
CLMDBQ


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
440 AM CDT TUE MAY 1 2018

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

...THE DUBUQUE CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1873 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              93   04/22/1980
 LOW               10   04/06/1982
HIGHEST            80   04/30        64      16
LOWEST             11   04/07        33     -22
AVG. MAXIMUM     49.0              58.5    -9.5
AVG. MINIMUM     28.5              37.8    -9.3
MEAN             38.8              48.2    -9.4
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      5               0.1     4.9
DAYS MIN <= 32     19               7.0    12.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.54   2013
 MINIMUM         0.38   1915
TOTALS           1.59              3.66   -2.07
DAILY AVG.       0.05              0.12   -0.07
DAYS >= .01        11              11.5    -0.5
DAYS >= .10         5
DAYS >= .50         0
DAYS >= 1.00        0               0.8    -0.8
GREATEST
 24 HR. TOTAL    0.55   04/13 TO 04/14

SNOWFALL (INCHES)
RECORDS
 TOTAL           19.8   1973
TOTALS            8.6               2.0     6.6
SINCE 7/1        38.2              41.9    -3.7
SNOWDEPTH AVG.      0
DAYS >= TRACE       9               1.1     7.9
DAYS >= 1.0         3               0.6     2.4
GREATEST
 SNOW DEPTH         3   04/19
 24 HR TOTAL      2.9   04/18 TO 04/18

DEGREE_DAYS
HEATING TOTAL     781               510     271
 SINCE 7/1       7040              6821     219
COOLING TOTAL       0                 5      -5
 SINCE 1/1          0                 5      -5
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
HIGHEST WIND SPEED/DIRECTION    38/060    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    52/070    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HAIL                     0
SLEET                     0     FOG                     12
FOG W/VIS <= 1/4 MILE     1     HAZE                     8

-  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 NEARBY
CLIMATOLOGICALLY REPRESENTATIVE STATION.

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