We are currently experiencing some problems with this product and will have it fixed as soon as possible. Apologies for the inconvenience.

Climate statistics for Australian locations

Monthly climate statistics

All years of record

Temperature | Rainfall | Other daily elements | 9am conditions | 3pm conditions

DERBY POST OFFICE

An extended list of climate statistics recorded is provided below. There is also a summary table for printing with the commonly requested statistics and a map showing the location of this site. Monthly statistics are only included if there are more than 10 years of suitable data.

Site details

view  View:  
view   Period:  
table size  Text size:      
Statistics Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Years Plot Map
Temperature  
Maximum temperature  
Mean maximum temperature (°C) 35.034.735.335.232.430.129.631.734.235.736.536.233.91001888
1997
graph statistic Climatology Map
Highest temperature (°C) 45.243.842.842.139.436.236.739.542.843.447.845.747.8241964
1997
graph statistic  
Date23 Jan
1985
22 Feb
1996
29 Mar
1990
01 Apr
1990
06 May
1990
02 Jun
1992
19 Jul
1990
27 Aug
1965
24 Sep
1989
30 Oct
1993
16 Nov
1968
08 Dec
1986
16 Nov
1968
    
Lowest maximum temperature (°C) 25.225.626.824.019.219.121.524.829.030.431.525.019.1241964
1997
graph statistic  
Date08 Jan
1964
27 Feb
1984
13 Mar
1984
25 Apr
1983
10 May
1997
14 Jun
1993
22 Jul
1986
13 Aug
1986
01 Sep
1993
04 Oct
1984
08 Nov
1964
14 Dec
1996
14 Jun
1993
    
Decile 1 maximum temperature (°C) 31.731.632.233.130.328.127.529.631.832.834.233.7 251964
1997
graph statistic Climatology Map
Decile 9 maximum temperature(°C) 38.738.038.738.036.133.633.535.338.039.840.139.6 251964
1997
graph statistic Climatology Map
Mean number of days ≥ 30 °C28.827.129.928.328.121.019.026.029.330.129.229.5326.3241964
1997
graph statistic  
Mean number of days ≥ 35 °C19.214.018.618.57.40.90.44.014.719.423.122.9163.1241964
1997
graph statistic  
Mean number of days ≥ 40 °C1.20.60.80.30.00.00.00.00.62.73.32.512.0241964
1997
graph statistic  
Minimum temperature  
Mean minimum temperature (°C)25.925.625.222.719.216.214.716.219.423.025.526.421.71001888
1997
graph statistic Climatology Map
Lowest temperature (°C)17.119.418.813.99.65.85.08.012.414.018.820.35.0241964
1997
graph statistic  
Date08 Jan
1970
06 Feb
1965
27 Mar
1966
29 Apr
1968
26 May
1966
18 Jun
1971
21 Jul
1965
14 Aug
1986
03 Sep
1992
23 Oct
1984
18 Nov
1970
05 Dec
1966
21 Jul
1965
    
Highest minimum temperature (°C)29.830.029.428.627.224.922.623.725.531.129.529.831.1241964
1997
graph statistic  
Date02 Jan
1994
20 Feb
1970
06 Mar
1996
01 Apr
1986
07 May
1988
19 Jun
1965
04 Jul
1992
17 Aug
1993
11 Sep
1993
15 Oct
1967
14 Nov
1988
13 Dec
1966
15 Oct
1967
    
Decile 1 minimum temperature (°C) 23.023.022.518.915.412.210.512.416.420.623.124.2 251964
1997
graph statistic Climatology Map
Decile 9 minimum temperature (°C) 28.328.027.725.823.420.718.520.023.326.027.628.3 251964
1997
graph statistic Climatology Map
Mean number of days ≤ 2 °C 0.00.00.00.00.00.00.00.00.00.00.00.00.0241964
1997
graph statistic  
Mean number of days ≤ 0 °C 0.00.00.00.00.00.00.00.00.00.00.00.00.0241964
1997
graph statistic  
Ground surface temperature  
Mean daily ground minimum temperature (°C)               
 
   
Lowest ground temperature (°C)               
 
   
Date                 
Mean number of days ground min. temp. ≤ -1 °C               
 
   
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
Rainfall  
Mean rainfall (mm) 181.7157.3108.931.022.110.45.91.30.32.516.283.1621.81051883
1997
graph statistic Climatology Map
Highest rainfall (mm) 803.6511.3395.1361.6349.389.2122.640.610.453.4171.5788.21448.11051883
1997
graph statistic Climatology Map
Date1917196019351926194918891956188619681950191018981898    
Lowest rainfall (mm) 0.015.30.00.00.00.00.00.00.00.00.00.0111.61051883
1997
graph statistic Climatology Map
Date1980195819241994199619951996199619961995199419921924    
Decile 1 rainfall (mm) 48.441.812.10.00.00.00.00.00.00.00.06.6355.2911883
1997
graph statistic Climatology Map
Decile 5 (median) rainfall (mm) 149.4138.288.89.40.30.50.00.00.00.04.548.8610.1911883
1997
graph statistic Climatology Map
Decile 9 rainfall (mm) 344.7312.3239.176.665.436.913.71.30.58.839.4177.8869.0911883
1997
graph statistic Climatology Map
Highest daily rainfall (mm) 418.3251.7206.5191.5188.076.588.120.310.432.070.1139.7418.3901884
1997
graph statistic  
Date07 Jan
1917
03 Feb
1932
03 Mar
1916
24 Apr
1926
25 May
1949
17 Jun
1915
15 Jul
1956
11 Aug
1933
08 Sep
1968
27 Oct
1950
09 Nov
1916
20 Dec
1926
07 Jan
1917
    
Mean number of days of rain 11.810.67.92.41.41.00.50.10.10.51.96.544.7911883
1997
graph statistic Climatology Map
Mean number of days of rain ≥ 1 mm 7.56.65.01.60.80.60.40.10.10.31.03.927.9901884
1997
graph statistic Climatology Map
Mean number of days of rain ≥ 10 mm 3.43.12.20.60.40.20.10.00.00.10.31.511.9901884
1997
graph statistic Climatology Map
Mean number of days of rain ≥ 25 mm 1.61.40.90.20.20.10.10.00.00.00.10.55.1901884
1997
graph statistic Climatology Map
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
Other daily elements  
Mean daily wind run (km)               
 
   
Maximum wind gust speed (km/h)               
 
   
Date                 
Mean daily sunshine (hours)               
 
  Climatology Map
Mean daily solar exposure (MJ/m2) 23.222.723.121.919.017.518.721.724.526.526.924.722.5251990
2014
graph statistic  
Mean number of clear days 5.73.89.614.618.919.724.324.721.721.416.49.0189.8241964
1997
graph statistic  
Mean number of cloudy days 13.813.29.44.53.83.61.51.00.91.02.99.364.9241964
1997
graph statistic  
Mean daily evaporation (mm)              71981
1988
  Climatology Map
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
9 am conditions  
Mean 9am temperature (°C) 30.430.130.429.726.623.722.825.027.930.131.531.428.3911897
1997
graph statistic  
Mean 9am wet-bulb temperature (°C) 26.326.325.923.119.416.915.817.620.423.125.026.122.2861897
1997
graph statistic  
Mean 9am dew-point temperature (°C) 24.625.024.220.114.411.67.79.814.319.321.523.818.0191964
1997
graph statistic  
Mean 9am relative humidity (%) 73767058494844444855586557381938
1997
graph statistic Climatology Map
Mean 9am cloud cover (oktas) 4.64.63.42.11.71.51.10.70.91.42.13.62.3831897
1997
graph statistic  
Mean 9am wind speed (km/h) 6.26.26.16.28.69.39.69.18.47.57.26.67.6241964
1997
graph statistic  
9am wind speed vs direction plot Link to 9am January windrose pdf document Link to 9am February windrose pdf document Link to 9am March windrose pdf document Link to 9am April windrose pdf document Link to 9am May windrose pdf document Link to 9am June windrose pdf document Link to 9am July windrose pdf document Link to 9am August windrose pdf document Link to 9am September windrose pdf document Link to 9am October windrose pdf document Link to 9am November windrose pdf document Link to 9am December windrose pdf document Link to 9am Annual windrose pdf document       Climatology Map
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
3 pm conditions  
Mean 3pm temperature (°C) 33.533.433.933.831.128.928.630.432.633.634.334.232.4911897
1997
graph statistic  
Mean 3pm wet-bulb temperature (°C) 27.227.126.624.521.719.819.120.222.324.526.126.923.8861897
1997
graph statistic  
Mean 3pm dew-point temperature (°C) 24.224.623.219.215.613.09.710.614.019.621.723.418.2191964
1997
graph statistic  
Mean 3pm relative humidity (%) 60625546414035343847515647381938
1997
graph statistic Climatology Map
Mean 3pm cloud cover (oktas) 4.54.63.92.71.91.51.00.81.01.62.64.12.5841897
1997
graph statistic  
Mean 3pm wind speed (km/h) 13.111.09.38.28.18.49.110.013.318.519.117.012.1231964
1997
graph statistic  
3pm wind speed vs direction plot Link to 3pm January windrose pdf document Link to 3pm February windrose pdf document Link to 3pm March windrose pdf document Link to 3pm April windrose pdf document Link to 3pm May windrose pdf document Link to 3pm June windrose pdf document Link to 3pm July windrose pdf document Link to 3pm August windrose pdf document Link to 3pm September windrose pdf document Link to 3pm October windrose pdf document Link to 3pm November windrose pdf document Link to 3pm December windrose pdf document Link to 3pm Annual windrose pdf document       Climatology Map
red = highest value   blue = lowest value
Product IDCJCM0039 Prepared at Thu 11 Sep 2014 01:25:08 AM EST

  


Monthly statistics are only included if there are more than 10 years of data. The number of years (provided in the 2nd last column of the table) may differ between elements if the observing program at the site changed. More detailed data for individual sites can be obtained by contacting the Bureau.

Related Links

  • This page URL: http://www.bom.gov.au/climate/averages/tables/cw_003007_All.shtml
  • Summary statistics and locational map for this site:
       http://www.bom.gov.au/climate/averages/tables/cw_003007.shtml
  • About climate averages: http://www.bom.gov.au/climate/cdo/about/about-stats.shtml
  • Data file (csv): http://www.bom.gov.au/clim_data/cdio/tables/text/IDCJCM0039_003007.csv
  • Climate averages home page URL:  http://www.bom.gov.au/climate/data/index.shtml
  • Bureau of Meteorology website:  http://www.bom.gov.au

Related information

Maps

Recent observations for this site

  • Daily Weather Observations from this site are included in the Daily Weather Observations

Latest seasonal climate outlook for Western Australia

Additional climate information

Page created: Thu 11 Sep 2014 01:25:08 AM EST