Climatological Report (Monthly)
Issued by NWS

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000
CXUS53 KABR 011439
CLMATY


CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
836 AM CST THU JAN 1 2015

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

...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2014

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              -33   12/31/1967
                        12/14/1917
HIGHEST            49   12/14        MM      MM       41  12/02
                        12/13
LOWEST            -13   12/01        MM      MM      -23  12/07
AVG. MAXIMUM     28.5              24.8     3.7     17.3
AVG. MINIMUM     15.1               7.2     7.9     -1.4
MEAN             21.8              16.0     5.8      7.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     19              21.0    -2.0       26
DAYS MIN <= 32     29              30.9    -1.9       31
DAYS MIN <= 0       5               9.7    -4.7       18

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.36   1955
 MINIMUM            T   1986
TOTALS           0.64              0.53    0.11     0.61
DAYS >= .01         4               6.1    -2.1       12
DAYS >= .10         2               1.7     0.3        2
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.0   2010
 SNOW DEPTH        20   12/31/2010
TOTALS            3.8               7.1    -3.3     11.1
SINCE 7/1        14.2              13.7     0.5     11.4
SNOWDEPTH AVG.      2                 4      -2        4
DAYS >= TRACE       7               6.2     0.8       18
DAYS >= 1.0         2               2.8    -0.8        5
GREATEST
 SNOW DEPTH         3   12/31                          8  12/31
                        12/30                             12/27
                        12/29                             12/26

DEGREE_DAYS
HEATING TOTAL    1332              1519    -187     1760
 SINCE 7/1       3413              3459     -46     3598
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        369               515    -146      618

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

WIND (MPH)
AVERAGE WIND SPEED              12.1
RESULTANT WIND SPEED/DIRECTION   3/204
HIGHEST WIND SPEED/DIRECTION    35/360    DATE  12/15
HIGHEST GUST SPEED/DIRECTION    45/350    DATE  12/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      6
HAZE                      3

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

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