Climatological Report (Monthly)
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CXUS53 KABR 011538
CLMATY


CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
903 AM CST SUN JAN 1 2017

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

...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/06/1939
 LOW              -37   12/18/2016
HIGHEST            39   12/05        MM      MM       48  12/10
LOWEST            -37R  12/18        MM      MM       -3  12/27
AVG. MAXIMUM     22.2              24.8    -2.6     31.3
AVG. MINIMUM      4.4               7.2    -2.8     16.6
MEAN             13.3              16.0    -2.7     24.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     23              21.0     2.0       16
DAYS MIN <= 32     31              30.9     0.1       30
DAYS MIN <= 0      12               9.7     2.3        4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.36   1955
 MINIMUM            T   1986
TOTALS           1.25              0.53    0.72     0.32
DAYS >= .01         9               6.1     2.9        7
DAYS >= .10         4               1.7     2.3        0
DAYS >= .50         1               0.2     0.8        0
DAYS >= 1.00        0               0.0     0.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.0   2010
 SNOW DEPTH        20   12/31/2010
TOTALS           13.6               7.1     6.5      5.3
SINCE 7/1        17.7              13.7     4.0     11.8
SNOWDEPTH AVG.      5                 4       1        3
DAYS >= TRACE      14               6.2     7.8       11
DAYS >= 1.0         3               2.8     0.2        3
GREATEST
 SNOW DEPTH        13   12/18                          8  12/02
                        12/17

DEGREE_DAYS
HEATING TOTAL    1595              1519      76     1265
 SINCE 7/1       2966              3459    -493     2624
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        721               515     206      588

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              13.3
RESULTANT WIND SPEED/DIRECTION   6/264
HIGHEST WIND SPEED/DIRECTION    47/230    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    56/250    DATE  12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                1     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               13     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      4
HAZE                     11

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

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