Climatological Report (Monthly)
Issued by NWS Sioux Falls, SD

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000
CXUS53 KFSD 011551
CLMHON

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
946 AM CST TUE JAN 1 2013

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

...THE HURON SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              71   12/06/1939
 LOW              -34   12/25/1884
HIGHEST            60   12/02        MM      MM       MM  MM
LOWEST            -10   12/25        MM      MM       MM  MM
                        12/10
AVG. MAXIMUM     28.8              29.0    -0.2       MM
AVG. MINIMUM     11.1               9.5     1.6       MM
MEAN             20.0              19.2     0.8       MM
DAYS MAX >= 90      0               0.0     0.0       MM
DAYS MAX <= 32     22              17.0     5.0       MM
DAYS MIN <= 32     30              30.6    -0.6       MM
DAYS MIN <= 0       6               7.2    -1.2       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.15   1931
 MINIMUM            T   1986
                        1943
TOTALS           1.12              0.52    0.60       MM
DAILY AVG.       0.04              0.02    0.02       MM
DAYS >= .01         7               5.8     1.2       MM
DAYS >= .10         4               1.6     2.4       MM
DAYS >= .50         1               0.1     0.9       MM
DAYS >= 1.00        0               0.0     0.0       MM
GREATEST
 24 HR. TOTAL    0.59   12/08 TO 12/09

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.0   2009
                        1968
TOTALS           13.0               8.0     5.0       MM
SINCE 7/1        14.1              16.3    -2.2       MM
SNOWDEPTH AVG.      3                 4      -1       MM
DAYS >= 1.0         3               2.2     0.8       MM
GREATEST
 SNOW DEPTH         7   12/10 TO 12/12                MM  MM
 24 HR TOTAL      6.5   12/08

DEGREE_DAYS
HEATING TOTAL    1388              1418     -30       MM
 SINCE 7/1       3074              3120     -46       MM
COOLING TOTAL       0                 0       0       MM
 SINCE 1/1       1083               742     341       MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    40/360    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    49/350    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     80

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                3     SNOW                       3
LIGHT SNOW               11     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      6
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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