Station Name: ROYAL OAK 2SSW, MD
  WMO Station Number: <none>
National I.D. Number: 00187806
             Country: UNITED STATES OF AMERICA
          WMO Region: REGION IV - NORTH & CENTRAL AMERICA
            Latitude:  38d 43m N
           Longitude: 076d 11m W
           Elevation:        3 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         1.2      30
   Feb         2.5      30
   Mar         7.6      30
   Apr        12.7      30
   May        18.3      30
   Jun        23.1      30
   Jul        25.3      30
   Aug        24.6      30
   Sep        21.0      30
   Oct        15.1      30
   Nov         9.7      30
   Dec         3.9      30
  Annual      13.7      30
 Ann-NCDC     13.7      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         5.6      30
   Feb         7.2      30
   Mar        12.8      30
   Apr        18.3      30
   May        23.8      30
   Jun        28.3      30
   Jul        30.4      30
   Aug        29.8      30
   Sep        26.5      30
   Oct        20.4      30
   Nov        14.5      30
   Dec         8.3      30
  Annual      18.8      30
 Ann-NCDC     18.8      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        -3.3      30
   Feb        -2.2      30
   Mar         2.4      30
   Apr         7.1      30
   May        12.8      30
   Jun        17.7      30
   Jul        20.1      30
   Aug        19.3      30
   Sep        15.6      30
   Oct         9.7      30
   Nov         4.7      30
   Dec         -.4      30
  Annual       8.6      30
 Ann-NCDC      8.6      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        90.7    14.7    51.3    72.4    94.5   125.7   195.1      30
   Feb        83.8    18.3    44.4    65.0    87.1   118.4   185.4      30
   Mar        96.5    34.3    56.6    78.2   100.8   132.3   193.5      30
   Apr        86.9    14.5    45.0    66.5    89.9   123.2   229.1      30
   May       107.4     8.4    53.1    80.5   111.0   154.9   258.3      30
   Jun        91.7     6.6    43.2    67.3    94.2   133.6   238.0      30
   Jul       100.6    21.1    54.4    78.5   104.6   141.5   272.3      30
   Aug       107.4    27.4    50.5    78.7   110.2   156.5   289.1      30
   Sep        92.5    14.2    44.7    68.6    95.3   133.9   246.4      30
   Oct        80.0     0.0    43.4    63.8    84.6   113.5   200.7      30
   Nov        86.9     9.4    40.1    63.2    89.2   127.3   163.8      30
   Dec        94.5    17.5    44.2    69.1    97.0   137.9   227.3      30
  Annual    1118.9      NA      NA      NA      NA      NA      NA      30
 Ann-NCDC   1118.9      NA      NA      NA      NA      NA      NA      NA
--------------------------------------------------------------------------