Station Name: CLARK, SD
  WMO Station Number: <none>
National I.D. Number: 00391739
             Country: UNITED STATES OF AMERICA
          WMO Region: REGION IV - NORTH & CENTRAL AMERICA
            Latitude:  44d 53m N
           Longitude: 097d 44m W
           Elevation:      543 m

In the following tables,
   byr = beginning year of normals or extremes data period
   eyr = ending year of normals or extremes data period
   NA = Not Applicable, data not submitted or not computed
   * = value > 0 but < units resolution
   Ann-NCDC = annual value computed by NCDC from monthly
              values provided by Members
==========================================================
The normals data and climate variable descriptions are
presented in these tables as provided by the WMO Member
country.
==========================================================


  Element 01:  Dry Bulb Temperature (deg C)
   MEAN (Statistic 01):  Mean Value
#_YEARS (Statistic 98):  Number of Years used to Calculate Normal
--------------------------
      byr:    1961    1961
      eyr:    1990    1990
Statistic:    MEAN #_YEARS
  Month
--------------------------
   Jan       -12.6      30
   Feb        -9.5      30
   Mar        -2.4      30
   Apr         6.2      30
   May        13.3      30
   Jun        18.8      30
   Jul        22.2      30
   Aug        20.6      30
   Sep        14.8      30
   Oct         7.9      30
   Nov        -1.4      30
   Dec        -9.9      30
  Annual       5.7      30
 Ann-NCDC      5.7      NA
--------------------------

  Element 02:  Maximum Dry Bulb Temperature (deg C)
   MEAN (Statistic 01):  Mean Value
#_YEARS (Statistic 98):  Number of Years used to Calculate Normal
--------------------------
      byr:    1961    1961
      eyr:    1990    1990
Statistic:    MEAN #_YEARS
  Month
--------------------------
   Jan        -6.5      30
   Feb        -3.4      30
   Mar         3.6      30
   Apr        13.0      30
   May        20.1      30
   Jun        25.2      30
   Jul        28.7      30
   Aug        27.4      30
   Sep        21.8      30
   Oct        15.0      30
   Nov         4.3      30
   Dec        -4.3      30
  Annual      12.1      30
 Ann-NCDC     12.1      NA
--------------------------

  Element 03:  Minimum Dry Bulb Temperature (deg C)
   MEAN (Statistic 01):  Mean Value
#_YEARS (Statistic 98):  Number of Years used to Calculate Normal
--------------------------
      byr:    1961    1961
      eyr:    1990    1990
Statistic:    MEAN #_YEARS
  Month
--------------------------
   Jan       -18.7      30
   Feb       -15.6      30
   Mar        -8.4      30
   Apr         -.7      30
   May         6.6      30
   Jun        12.5      30
   Jul        15.6      30
   Aug        13.6      30
   Sep         7.7      30
   Oct          .8      30
   Nov        -7.2      30
   Dec       -15.6      30
  Annual       -.8      30
 Ann-NCDC     -0.8      NA
--------------------------

  Element 06:  Precipitation (mm)
MEANMLY (Statistic 15):  Mean Monthly Value
MIN_MLY (Statistic 20):  Minimum Monthly Value
QUIN20% (Statistic 22):  First Quintile
QUIN40% (Statistic 23):  Second Quintile
QUIN60% (Statistic 24):  Third Quintile
QUIN80% (Statistic 25):  Fourth Quintile
MAX_MLY (Statistic 26):  Maximum Monthly Value
#_YEARS (Statistic 98):  Number of Years used to Calculate Normal
--------------------------------------------------------------------------
      byr:    1961    1961    1961    1961    1961    1961    1961    1961
      eyr:    1990    1990    1990    1990    1990    1990    1990    1990
Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY #_YEARS
  Month
--------------------------------------------------------------------------
   Jan        13.5     0.0     4.8     8.6    13.5    20.8    45.2      30
   Feb        16.8     0.5     5.1     9.9    16.3    26.2    51.1      30
   Mar        33.3     2.8    15.0    23.9    33.8    48.8    87.4      30
   Apr        50.3     8.4    22.1    35.8    51.3    74.4   169.7      30
   May        71.1    13.5    33.0    51.8    72.9   103.6   235.2      30
   Jun        86.1    21.8    48.3    68.3    89.7   119.6   158.5      30
   Jul        73.7     2.3    25.7    46.7    72.9   113.5   172.5      30
   Aug        66.5    10.9    30.5    48.0    68.3    97.8   148.8      30
   Sep        47.0     5.3    17.8    31.0    47.0    71.4   147.1      30
   Oct        38.9     3.0    11.4    22.9    37.3    61.2   121.9      30
   Nov        21.6     0.3     3.8     9.9    18.8    35.1    77.5      30
   Dec        14.2     0.0     6.1    10.2    14.7    21.3    39.1      30
  Annual     533.0      NA      NA      NA      NA      NA      NA      30
 Ann-NCDC    533.0      NA      NA      NA      NA      NA      NA      NA
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