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

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000
CXUS53 KFSD 011554
CLMMHE

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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/01/1998
 LOW              -34   12/29/1917
HIGHEST            62   12/02        MM      MM       MM  MM
LOWEST             -7   12/25        MM      MM       MM  MM
AVG. MAXIMUM     30.8              29.8     1.0       MM
AVG. MINIMUM     13.3              12.0     1.3       MM
MEAN             22.1              20.9     1.2       MM
DAYS MAX >= 90      0               0.0     0.0       MM
DAYS MAX <= 32     20              16.9     3.1       MM
DAYS MIN <= 32     30              30.4    -0.4       MM
DAYS MIN <= 0       7               5.6     1.4       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.06              0.45    0.61       MM
DAILY AVG.       0.03              0.01    0.02       MM
DAYS >= .01         7                MM      MM       MM
DAYS >= .10         5                MM      MM       MM
DAYS >= .50         0                MM      MM       MM
DAYS >= 1.00        0                MM      MM       MM
GREATEST
 24 HR. TOTAL    0.36   12/15

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS            9.7                MM      MM       MM
SINCE 7/1        10.4                MM      MM       MM
SNOWDEPTH AVG.      2                MM      MM       MM
DAYS >= 1.0         4                MM      MM       MM
GREATEST
 SNOW DEPTH         7   12/28                         MM  MM
 24 HR TOTAL      4.4   12/27

DEGREE_DAYS
HEATING TOTAL    1324              1367     -43       MM
 SINCE 7/1       2850              2935     -85       MM
COOLING TOTAL       0                 0       0       MM
 SINCE 1/1       1236               824     412       MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    38/340    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    54/340    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       5
LIGHT SNOW               11     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

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