Station Name: ROCK RAPIDS, IA
  WMO Station Number: <none>
National I.D. Number: 00137147
             Country: UNITED STATES OF AMERICA
          WMO Region: REGION IV - NORTH & CENTRAL AMERICA
            Latitude:  43d 26m N
           Longitude: 096d 10m W
           Elevation:      412 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       -10.5      30
   Feb        -7.2      30
   Mar         -.1      30
   Apr         8.3      30
   May        15.2      30
   Jun        20.7      30
   Jul        23.4      30
   Aug        21.7      30
   Sep        16.1      30
   Oct         9.3      30
   Nov          .8      30
   Dec        -7.7      30
  Annual       7.5      30
 Ann-NCDC      7.5      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        -4.2      30
   Feb        -1.0      30
   Mar         5.8      30
   Apr        15.2      30
   May        22.3      30
   Jun        27.5      30
   Jul        30.3      30
   Aug        28.6      30
   Sep        23.3      30
   Oct        16.8      30
   Nov         6.7      30
   Dec        -1.9      30
  Annual      14.1      30
 Ann-NCDC     14.1      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       -16.8      30
   Feb       -13.4      30
   Mar        -6.1      30
   Apr         1.4      30
   May         8.0      30
   Jun        13.8      30
   Jul        16.5      30
   Aug        14.6      30
   Sep         8.9      30
   Oct         1.8      30
   Nov        -5.2      30
   Dec       -13.4      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        12.7     0.0     3.0     6.9    11.9    20.3    56.6      30
   Feb        16.8     0.3     2.8     7.6    14.5    27.2    85.6      30
   Mar        45.0     3.6    18.5    31.0    45.5    67.1   128.5      30
   Apr        62.0     6.1    25.9    42.9    62.7    92.2   159.5      30
   May        74.7    10.7    37.3    56.1    77.0   106.9   172.2      30
   Jun       103.6    38.9    55.9    80.8   107.7   145.5   278.9      30
   Jul        84.1    17.8    39.6    61.7    86.4   122.7   188.0      30
   Aug        96.3     7.6    40.4    66.8    97.5   143.8   239.0      30
   Sep        75.7    17.8    32.3    52.8    77.0   112.8   193.5      30
   Oct        48.3     1.5    10.4    24.4    43.9    77.7   162.8      30
   Nov        31.8     1.0     5.8    14.7    28.2    51.8   121.2      30
   Dec        20.6     2.3     7.4    13.2    20.3    31.5    73.7      30
  Annual     671.6      NA      NA      NA      NA      NA      NA      30
 Ann-NCDC    671.6      NA      NA      NA      NA      NA      NA      NA
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