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

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CXUS53 KDVN 011438
CLMDBQ


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
826 AM CST MON JAN 1 2018

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

...THE DUBUQUE CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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              67   12/04/1998
                        12/24/1889
 LOW              -25   12/24/1983
HIGHEST            62   12/04        36      26
LOWEST            -14   12/31        12     -26
AVG. MAXIMUM     30.1              30.2    -0.1
AVG. MINIMUM     14.6              15.3    -0.7
MEAN             22.3              22.8    -0.5
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32     16              16.4    -0.4
DAYS MIN <= 32     30              28.9     1.1
DAYS MIN <= 0       5               4.7     0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.61   2007
 MINIMUM         0.24   1939
TOTALS           0.71              1.84   -1.13
DAILY AVG.       0.02              0.06   -0.04
DAYS >= .01         8              10.0    -2.0
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0               0.2    -0.2
GREATEST
 24 HR. TOTAL    0.23   12/11 TO 12/11

SNOWFALL (INCHES)
RECORDS
 TOTAL           37.6   2000
TOTALS            5.7              11.8    -6.1
SINCE 7/1         5.7              14.6    -8.9
SNOWDEPTH AVG.      0
DAYS >= TRACE      13               6.8     6.2
DAYS >= 1.0         3               3.3    -0.3
GREATEST
 SNOW DEPTH         4   12/30
 24 HR TOTAL      1.9   12/29 TO 12/29

DEGREE_DAYS
HEATING TOTAL    1314              1310       4
 SINCE 7/1       2679              2810    -131
COOLING TOTAL       0                 0       0
 SINCE 1/1        569               643     -74
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.1
HIGHEST WIND SPEED/DIRECTION    39/270    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    50/290    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HAIL                       0
SLEET                     0     FOG                       16
FOG W/VIS <= 1/4 MILE     1     HAZE                      12

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

Data includes supplimental snow and precipitation reports from DUBI4

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