Station Name: Mayumba
  WMO Station Number: 64503
National I.D. Number:         
             Country: GABON
          WMO Region: REGION I - AFRICA                  
            Latitude:  03d 25m S
           Longitude: 010d 39m E
           Elevation:       34 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
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan        25.7
   Feb        26.2
   Mar        27.0
   Apr        27.1
   May        26.1
   Jun        23.4
   Jul        22.5
   Aug        22.9
   Sep        24.0
   Oct        25.1
   Nov        25.5
   Dec        25.1
  Annual      25.0
 Ann-NCDC     25.1
------------------

  Element 02:  Maximum Dry Bulb Temperature (deg C)
   MEAN (Statistic 01):  Mean Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan        28.3
   Feb        28.9
   Mar        30.4
   Apr        30.5
   May        29.1
   Jun        25.9
   Jul        25.7
   Aug        25.9
   Sep        26.6
   Oct        27.6
   Nov        28.2
   Dec        27.2
  Annual      27.9
 Ann-NCDC     27.9
------------------

  Element 03:  Minimum Dry Bulb Temperature (deg C)
   MEAN (Statistic 01):  Mean Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan        23.1
   Feb        23.4
   Mar        23.5
   Apr        23.6
   May        23.0
   Jun        20.8
   Jul        19.2
   Aug        19.8
   Sep        21.3
   Oct        22.5
   Nov        22.8
   Dec        22.9
  Annual      22.2
 Ann-NCDC     22.2
------------------

  Element 06:  Precipitation (mm)
MEANMLY (Statistic 15):  Mean Monthly Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan       236.6
   Feb       245.7
   Mar       219.3
   Apr       126.3
   May        74.6
   Jun         5.5
   Jul         0.4
   Aug         5.9
   Sep        44.7
   Oct       214.4
   Nov       335.9
   Dec       163.7
  Annual    1673.0
 Ann-NCDC   1673.0
------------------

  Element 08:  Maximum 24-Hour Precipitation (mm)
MAX_VAL (Statistic 04):  Maximum Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan       217.6
   Feb       161.3
   Mar       213.6
   Apr       116.6
   May        85.7
   Jun        57.0
   Jul         1.6
   Aug         7.9
   Sep        76.7
   Oct       169.5
   Nov       138.1
   Dec       132.7
  Annual     217.6
 Ann-NCDC       NA
------------------

  Element 11:  Relative Humidity (%)
   MEAN (Statistic 01):  Mean Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan        87.0
   Feb        85.0
   Mar        83.0
   Apr        86.0
   May        87.0
   Jun        84.0
   Jul        82.0
   Aug        83.0
   Sep        85.0
   Oct        87.0
   Nov        88.0
   Dec        87.0
  Annual      85.0
 Ann-NCDC     85.3
------------------

  Element 21:  Pan Evaporation (mm)
MEANMLY (Statistic 15):  Mean Monthly Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan        37.0
   Feb        37.3
   Mar        41.9
   Apr        38.3
   May        33.9
   Jun        36.1
   Jul        39.3
   Aug        39.1
   Sep        34.7
   Oct        36.7
   Nov        31.7
   Dec        33.1
  Annual     439.1
 Ann-NCDC    439.1
------------------

  Element BT:  Number Days with Occurrence of Rain (count)
MEANMLY (Statistic 15):  Mean Monthly Value
------------------
      byr:    1961
      eyr:    1990
  Month
------------------
   Jan        12.6
   Feb        12.4
   Mar        13.8
   Apr        10.2
   May         7.2
   Jun         0.9
   Jul         0.7
   Aug         3.9
   Sep        13.9
   Oct        18.9
   Nov        18.6
   Dec        11.5
  Annual     124.6
 Ann-NCDC    124.6
------------------