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What is the weather usually like?

- Climate Averages for Australian Sites -

Averages for DAMPIER PORT

Make sure you understand what the Climate Averages are all about before you make use of the following information. A comma separated text file of these averages is also available for download which can be graphed in software such as a spreadsheet
                                                                                                                                                                                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
 004097    DAMPIER PORT                            Commenced: 1991    Last record: 2001                                           
Latitude:-20.6175 S    Longitude: 116.7517 E    Elevation:   48.0 m     State:  WA                                                
                                                                                                                                  
    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP    OCT    NOV    DEC     ANN   No. %age      
                                                                                               Yrs comp                    
Mean Daily Max Temp (deg C)                                                                                                
    33.4   33.6   34.8   33.4   29.1   25.9   25.6   27.3   28.4   31.4   31.7   33.0    30.6  10.0  99                           
Mean no. Days, Max >= 40.0 deg C                                                                                           
     1.0    0.8    0.9    0.0    0.0    0.0    0.0    0.0    0.0    0.4    0.7    1.1     4.9  10.0  99                           
Mean no. Days, Max >= 35.0 deg C                                                                                           
     6.8    7.8   13.8    9.1    0.4    0.0    0.0    0.0    0.6    5.1    5.6    7.3    56.5  10.0  99                           
Mean no. Days, Max >= 30.0 deg C                                                                                           
    29.0   26.3   29.8   27.3   11.2    1.6    0.4    3.2    8.0   20.0   19.1   26.5   202.4  10.0  99                           
Highest Max Temp (deg C)                                                                                                   
    43.3   44.5   41.8   38.5   36.3   33.1   32.0   33.5   36.3   42.0   43.5   44.6    44.6  10.0  99                           
                                                                                                                                  
Mean Daily Min Temp (deg C)                                                                                                
    26.7   26.6   26.5   25.2   21.5   18.8   17.2   18.4   20.0   22.6   23.6   25.7    22.7   9.9  98                           
Mean no. Days, Min =< 2.0 deg C                                                                                            
     0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0     0.0  10.0  99                           
Mean no. Days, Min =< 0.0 deg C                                                                                            
     0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0     0.0  10.0  99                           
Lowest Min Temp (deg C)                                                                                                    
    16.0   17.8   16.7   18.6   13.0   11.5    7.6   11.8   11.6   13.3   13.6   15.7     7.6  10.0  99                           
                                                                                                                                  
Mean 9am Air Temp (deg C)                                                                                                  
    29.8   29.9   30.4   28.8   24.6   21.4   20.6   22.3   24.0   27.2   27.9   29.4    26.3  10.1 100                           
Mean 9am Wet-bulb Temp (deg C)                                                                                             
    24.6   25.3   23.8   21.1   18.2   15.7   14.5   15.3   17.4   19.7   20.9   23.4    19.8   9.4  93                           
Mean 9am Dew Point Temp (deg C)                                                                                            
    22.0   23.1   20.0   16.0   13.1   10.6    8.3    8.5   11.7   13.6   16.0   20.1    15.0   9.4  93                           
Mean 9am Relative Humidity (%)                                                                                             
      66     69     57     50     52     53     49     45     50     47     53     61      54   9.4  93                           
Mean 9am Wind Speed (km/hr)                                                                                                
    20.9   21.4   21.7   22.6   26.6   29.6   28.3   25.8   20.7   21.7   22.7   22.1    23.7   9.9  97                           
                                                                                                                                  
Mean 3pm Air Temp (deg C)                                                                                                  
    31.6   32.1   33.2   32.1   28.2   24.9   24.6   26.1   26.8   29.1   29.5   30.9    29.1  10.1 100                           
Mean 3pm Wet-bulb Temp (deg C)                                                                                             
    25.9   26.6   25.5   22.8   20.0   17.8   16.7   17.6   19.7   22.0   23.0   25.1    21.7   9.3  93                           
Mean 3pm Dew Point Temp (deg C)                                                                                            
    23.4   24.1   21.5   17.1   13.9   11.9    9.4   10.1   14.5   17.3   19.5   22.3    16.7   9.3  93                           
Mean 3pm Relative Humidity (%)                                                                                             
      63     65     53     46     45     48     42     41     50     51     57     62      51   9.3  93                           
Mean 3pm Wind Speed (km/hr)                                                                                                
    29.8   28.6   25.6   23.2   24.3   25.2   24.4   24.4   26.0   27.5   30.1   30.3    26.6   9.8  96                           
                                                                                                                                  
Mean Rainfall (mm)                                                                                                         
    32.4   97.0   46.7   32.5   21.8   41.6   11.2    7.6    0.3    0.2    0.1   18.9   310.3  10.0  99                           
Median (Decile 5) Rainfall  (mm)                                                                                                                                                                                                                   
_                                                                                                                                                                                                                              
Decile 9 Rainfall (mm)                                                                                                                                                                                                                             
_                                                                                                                                                                                                                              
Decile 1 Rainfall (mm)                                                                                                                                                                                                                             
_                                                                                                                                                                                                                              
Mean no. of Raindays                                                                                                                                                                                                                               
     3.7    7.3    3.4    2.7    3.1    3.9    1.6    1.6    0.2    0.1    0.1    2.3    30.1  10.0  99                                                                                                                                                   
Highest Monthly Rainfall (mm)                                                                                                                                                                                                                      
   112.4  246.8  270.8  114.6   53.1  190.1   61.6   25.1    2.2    1.5    1.0   69.0          10.0  99                                                                                                                                                   
Lowest Monthly Rainfall (mm)                                                                                                                                                                                                                       
     0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0          10.0  99                                                                                                                                                   
Highest Recorded Daily Rain (mm)                                                                                                                                                                                                                   
    75.3   68.4   73.9   86.4   34.4   68.1   51.4   18.2    2.2    1.5    1.0   64.0    86.4  10.0  99                                                                                                                                                   
                                                                                                                                                                                                                                                          
Mean no. of Clear Days                                                                                                                                                                                                                             
    13.4    6.2   12.7   14.2   14.1   14.7   19.5   22.5   24.9   24.8   23.2   17.8   207.9  10.2 100                                                                                                                                                   
Mean no. of Cloudy Days                                                                                                                                                                                                                            
     6.3    9.8    4.5    6.3    6.8    7.1    2.9    2.3    1.1    0.2    0.7    3.5    51.5  10.2 100                                                                                                                                                   

Last modified 16 August 2004

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