Station Name: WILMINGTON PORTER RESERVOIR, DE
  WMO Station Number: <none>
National I.D. Number: 00079605
             Country: UNITED STATES OF AMERICA
          WMO Region: REGION IV - NORTH & CENTRAL AMERICA
            Latitude:  39d 46m N
           Longitude: 075d 32m W
           Elevation:       84 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        -1.1      30
   Feb          .4      30
   Mar         5.4      30
   Apr        10.8      30
   May        16.6      30
   Jun        21.6      30
   Jul        24.0      30
   Aug        23.2      30
   Sep        19.3      30
   Oct        13.1      30
   Nov         7.6      30
   Dec         1.8      30
  Annual      11.9      30
 Ann-NCDC     11.9      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         3.2      30
   Feb         4.9      30
   Mar        10.5      30
   Apr        16.3      30
   May        22.2      30
   Jun        26.9      30
   Jul        29.2      30
   Aug        28.3      30
   Sep        24.6      30
   Oct        18.4      30
   Nov        12.4      30
   Dec         6.1      30
  Annual      16.9      30
 Ann-NCDC     16.9      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        -5.4      30
   Feb        -4.2      30
   Mar          .3      30
   Apr         5.3      30
   May        11.1      30
   Jun        16.2      30
   Jul        18.8      30
   Aug        18.1      30
   Sep        14.1      30
   Oct         7.7      30
   Nov         2.9      30
   Dec        -2.4      30
  Annual       6.9      30
 Ann-NCDC      6.9      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        88.1    21.8    48.0    69.1    91.7   123.4   214.6      30
   Feb        77.5    20.1    42.4    61.0    80.8   108.7   178.3      30
   Mar        96.8    27.4    53.8    76.5   100.8   134.9   191.8      30
   Apr       101.9    14.0    54.4    79.0   105.7   143.8   205.7      30
   May       110.0     9.9    51.6    80.3   112.8   160.3   209.0      30
   Jun       103.1     8.1    51.3    77.5   106.4   148.1   257.8      30
   Jul       111.5    27.7    51.8    81.3   114.3   162.8   377.4      30
   Aug       102.9    10.4    44.2    72.4   104.6   152.9   315.2      30
   Sep       100.3    27.9    55.6    79.2   104.4   140.0   283.5      30
   Oct        83.8     3.3    41.9    63.2    86.6   120.4   164.1      30
   Nov        96.5     8.6    41.9    68.1    98.3   143.3   236.0      30
   Dec        97.5    17.3    42.9    69.1    99.6   144.3   253.7      30
  Annual    1169.9      NA      NA      NA      NA      NA      NA      30
 Ann-NCDC   1169.9      NA      NA      NA      NA      NA      NA      NA
--------------------------------------------------------------------------