Climatological Report (Monthly)
Issued by NWS

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CXUS53 KABR 011513
CLM8D3


CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
900 AM CST MON JAN 1 2018

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

...THE SISSETON SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1900 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/06/1939
 LOW              -30   12/19/1983
HIGHEST            53   12/02        MM      MM       44  12/23
LOWEST            -25   12/31        MM      MM      -23  12/18
AVG. MAXIMUM     28.2              26.1     2.1     24.7
AVG. MINIMUM      9.3               7.9     1.4      9.9
MEAN             18.7              17.0     1.7     17.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     16              20.1    -4.1       19
DAYS MIN <= 32     31              30.8     0.2       31
DAYS MIN <= 0      10               9.4     0.6       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.33   2010
 MINIMUM            T   1989
TOTALS           0.30              0.39   -0.09     1.42
DAYS >= .01        11                MM      MM       11
DAYS >= .10         0                MM      MM        3
DAYS >= .50         0                MM      MM        1
DAYS >= 1.00        0                MM      MM        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           33.0   2010
 SNOW DEPTH        25   12/31/2009
                        12/30/2009
                        12/29/2009
TOTALS            3.8                MM      MM     10.3
SINCE 7/1         4.3                MM      MM     12.8
SNOWDEPTH AVG.      0                MM      MM        3
DAYS >= TRACE       9                MM      MM       11
DAYS >= 1.0         2                MM      MM        4
GREATEST
 SNOW DEPTH         2   12/31                          8  12/20
                        12/30                             12/18
                                                          12/17

DEGREE_DAYS
HEATING TOTAL    1427              1488     -61     1472
 SINCE 7/1       3070              3339    -269     2753
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        554               527      27      625

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

WIND (MPH)
AVERAGE WIND SPEED              12.5
RESULTANT WIND SPEED/DIRECTION   8/306
HIGHEST WIND SPEED/DIRECTION    43/320    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    62/330    DATE  12/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                8     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

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