Climatological Report (Monthly)
Issued by NWS Aberdeen, SD

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CXUS53 KABR 011538
CLMABR


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 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              -39   12/31/1967
HIGHEST            41   12/04        MM      MM       49  12/10
LOWEST            -37   12/18        MM      MM       -8  12/27
AVG. MAXIMUM     23.4              25.5    -2.1     30.8
AVG. MINIMUM      3.1               5.9    -2.8     14.3
MEAN             13.3              15.7    -2.4     22.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     21              19.9     1.1       17
DAYS MIN <= 32     31              30.8     0.2       30
DAYS MIN <= 0      12               9.9     2.1        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.00   1909
 MINIMUM            T   1986
TOTALS           1.78              0.52    1.26     0.64
DAYS >= .01         9               6.5     2.5        5
DAYS >= .10         3               1.6     1.4        3
DAYS >= .50         1               0.1     0.9        0
DAYS >= 1.00        1               0.0     1.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.6   2010
 SNOW DEPTH        21   12/31/1996
TOTALS           10.8               6.9     3.9     11.5
SINCE 7/1        16.0              14.6     1.4     15.1
SNOWDEPTH AVG.      3                 4      -1        3
DAYS >= TRACE      18               6.7    11.3       14
DAYS >= 1.0         4               2.1     1.9        3
GREATEST
 SNOW DEPTH         8   12/19                          6  12/17
                        12/18                             12/16
                        12/17                             12/01

DEGREE_DAYS
HEATING TOTAL    1597              1528      69     1307
 SINCE 7/1       2947              3491    -544     2719
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        722               525     197      677

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

WIND (MPH)
AVERAGE WIND SPEED              13.1
RESULTANT WIND SPEED/DIRECTION   5/280
HIGHEST WIND SPEED/DIRECTION    44/290    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                1     FREEZING RAIN              1
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                3     SNOW                       3
LIGHT SNOW               18     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

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

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