Station Name: MARENGO, IL
  WMO Station Number: <none>
National I.D. Number: 00115326
             Country: UNITED STATES OF AMERICA
          WMO Region: REGION IV - NORTH & CENTRAL AMERICA
            Latitude:  42d 15m N
           Longitude: 088d 36m W
           Elevation:      250 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        -8.2      30
   Feb        -5.7      30
   Mar         1.1      30
   Apr         8.3      30
   May        14.6      30
   Jun        20.2      30
   Jul        22.5      30
   Aug        21.2      30
   Sep        16.7      30
   Oct        10.3      30
   Nov         2.8      30
   Dec        -4.7      30
  Annual       8.3      30
 Ann-NCDC      8.3      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        -2.8      30
   Feb         -.2      30
   Mar         6.8      30
   Apr        14.8      30
   May        21.7      30
   Jun        27.2      30
   Jul        29.2      30
   Aug        27.8      30
   Sep        23.7      30
   Oct        17.1      30
   Nov         8.2      30
   Dec          .1      30
  Annual      14.5      30
 Ann-NCDC     14.5      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       -13.5      30
   Feb       -11.3      30
   Mar        -4.6      30
   Apr         1.8      30
   May         7.4      30
   Jun        13.1      30
   Jul        15.8      30
   Aug        14.4      30
   Sep         9.7      30
   Oct         3.6      30
   Nov        -2.5      30
   Dec        -9.6      30
  Annual       2.0      30
 Ann-NCDC      2.0      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        38.4     2.5    12.7    23.9    37.6    59.2   114.6      30
   Feb        28.2     0.0    12.7    20.6    29.2    41.9    58.2      30
   Mar        60.2    12.2    29.7    45.2    62.2    86.9   161.5      30
   Apr        92.5    30.7    57.7    77.0    97.0   124.0   164.8      30
   May        88.9    31.5    54.1    73.2    93.0   119.9   182.9      30
   Jun       111.5    38.9    66.3    90.9   116.6   151.9   262.1      30
   Jul       101.3    41.1    69.1    87.9   106.4   131.1   211.8      30
   Aug       109.7    16.0    45.2    75.4   111.0   164.3   297.2      30
   Sep       100.1     0.0    34.3    64.3   100.1   155.2   277.4      30
   Oct        67.8     3.8    27.2    46.0    68.3   102.4   172.5      30
   Nov        67.8    10.2    33.3    50.8    69.8    97.8   158.8      30
   Dec        52.8     8.6    25.4    39.1    54.4    76.5   131.3      30
  Annual     919.2      NA      NA      NA      NA      NA      NA      30
 Ann-NCDC    919.2      NA      NA      NA      NA      NA      NA      NA
--------------------------------------------------------------------------