Climatological Report (Monthly)
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000
CXUS53 KABR 011538
CLMPIR


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/03/1941
 LOW              -31   12/30/1990
HIGHEST            40   12/04        MM      MM       60  12/09
LOWEST            -21   12/18        MM      MM        0  12/31
                                                          12/27
AVG. MAXIMUM     24.5              31.3    -6.8     32.5
AVG. MINIMUM      7.1              12.1    -5.0     16.6
MEAN             15.8              21.7    -5.9     24.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     20              14.8     5.2       18
DAYS MIN <= 32     31              30.6     0.4       31
DAYS MIN <= 0      10               5.3     4.7        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.91   1951
 MINIMUM            T   2001

TOTALS           1.70              0.55    1.15     1.01
DAYS >= .01         8               5.8     2.2       10
DAYS >= .10         4               1.7     2.3        3
DAYS >= .50         1               0.1     0.9        0
DAYS >= 1.00        0               0.0     0.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           31.3   1951


 SNOW DEPTH        27   12/27/1950
TOTALS            8.3               4.9     3.4     15.3
SINCE 7/1        18.4              11.2     7.2     20.4
SNOWDEPTH AVG.      3                 3       0        4
DAYS >= TRACE      16               5.5    10.5       13
DAYS >= 1.0         3               1.9     1.1        5
GREATEST
 SNOW DEPTH         8   12/20                          9  12/30
                        12/18                             12/29

DEGREE_DAYS
HEATING TOTAL    1519              1342     177     1245
 SINCE 7/1       2656              2962    -306     2542
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        961               868      93      839

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

WIND (MPH)
AVERAGE WIND SPEED              14.3
RESULTANT WIND SPEED/DIRECTION   7/302
HIGHEST WIND SPEED/DIRECTION    59/300    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    70/290    DATE  12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                4     SNOW                       4
LIGHT SNOW               14     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      7
HAZE                      9

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

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