High Quality weather station audit

Jarrahwood 9842 raw temperature audit

Station opened 1 August 1975 audit to 31 December 2011

(See also Donnybrook 9534)

(See also Busselton Shire 9515)

Jarrahwood 9842 maximum temperature audit

At Jarrahwood 9842 from 1 August 1975 to December 31 2011, maximum temperature recordings of .0 Celsius degrees represented 27.2% of the total and .5C recordings represented 14.6% of the total of all fractions. Together, .0C and .5C represented 41.8% of all maximum temperatures recorded since 1 August 1975.

Jarrahwood 9842 BoM maxima raw data feed

Jarrahwood BoM High Quality adjusted anomalies above

Jarrahwood unadjusted raw temperatures below

Jarrahwood 9842 minimum temperature audit

At Jarrahwood 9842 from 1 August 1975 to December 31 2011, minimum temperature recordings of .0 Celsius degrees represented 30.2% of the total and .5C recordings represented 18.4% of the total of all fractions. Together, .0C and .5C represented 48.6% of all minimum temperatures recorded since 1 August 1975.

Jarrahwood 9842 BoM minima raw data feed

Jarrahwood BoM High Quality adjusted anomalies above

Jarrahwood unadjusted raw temperatures below

The BoM uses data from Donnybrook and Busselton weather stations to calculate the High Quality temperature history of Jarrahwood before 1975.

Donnybrook 9534 raw temperature audit

Station opened 1 January 1907 audit to 31 December 2011

Donnybrook 9534 maximum temperature audit

At Donnybrook 9534 from 1 January 1907 to September 1972, whole .0 Fahrenheit degrees represented 24.5% of all maximum temperatures recorded and .5 Fahrenheit degrees represented 4.9% of all maximum temperatures recorded.

1907-1972 represented 62.9% of the time span and had 47.5% of .0C and 18.5% of .5C maximum temperatures within the entire temperature record.

From 1972-2011, maximum temperature recordings of .0 Celsius degrees represented 17.1% of the total and .5C recordings represented 14.9% of the total of all fractions since 1972. Together, .0C and .5C represented 32% of all maximum temperatures recorded since metrication.

Donnybrook 9534 BoM maxima raw data feed

Donnybrook 9534 minimum temperature audit

At Donnybrook 9534 from 1 January 1907 to September 1972, whole .0 Fahrenheit degrees represented 26.7% of all minimum temperatures recorded and .5 Fahrenheit degrees represented 4.9% of all minimum temperatures recorded.

1907-1972 represented 62.9% of the time span and had 45.1% of .0C and 14.3% of .5C minimum temperatures within the entire temperature record.

From 1972-2011, minimum temperature recordings of .0 Celsius degrees represented 20.1% of the total and .5C recordings represented 17.1% of the total of all fractions since 1972. Together, .0C and .5C represented 37.2% of all minimum temperatures recorded since metrication.

Donnybrook 9534 BoM minima raw data feed

Busselton Shire 9515 raw temperature audit

Station opened 1 January 1957 audit to close 30 November 1975

Busselton Shire 9515 maximum temperature audit

Busselton Shire 9515 from 1 January 1957 to September 1972, whole .0 Fahrenheit degrees represented 27.1% of all maximum temperatures recorded and .5 Fahrenheit degrees represented 2.2% of all maximum temperatures recorded.

1957-1972 represented 84.2% of the time span and had 68.1% of .0C and 50.2% of .5C maximum temperatures within the entire temperature record.

From 1972-1975, maximum temperature recordings of .0 Celsius degrees represented 20.8% of the total and .5C recordings represented 12.8% of the total of all fractions since 1972. Together, .0C and .5C represented 33.6% of all maximum temperatures recorded since metrication.

Busselton Shire 9515 BoM maxima raw data feed

Busselton Shire 9515 minimum temperature audit

At Busselton Shire 9515 from 1 January 1957 to September 1972, whole .0 Fahrenheit degrees represented 34.3% of all minimum temperatures recorded and .5 Fahrenheit degrees represented 3.4% of all minimum temperatures recorded.

1957-1972 represented 84.2% of the time span and had 71.7% of .0C and 36% of .5C minimum temperatures within the entire temperature record.

From 1972-1975, minimum temperature recordings of .0 Celsius degrees represented 21.4% of the total and .5C recordings represented 17.9% of the total of all fractions since 1972. Together, .0C and .5C represented 39.3% of all minimum temperatures recorded since metrication.

Busselton Shire 9515 BoM minima raw data feed

Extracts from Simon Torok thesis The development of a high quality historical temperature data base for Australia (1996, vol 2) which first established Australia's High Quality temperature record:

Jarrahwood 9842 station equipment history

Air Temperature
01/AUG/1975 INSTALL Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - CBM3529) Surface Observations

Maximum Temperature
01/AUG/1975 INSTALL Thermometer, Mercury, Max (Type Dobbie S/N - 12989) Surface Observations

Minimum Temperature
01/AUG/1975 INSTALL Thermometer, Alcohol, Min (Type Dobbie S/N - CBM3127) Surface Observations
21/JAN/2003 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 15718) Surface Observations
01/MAR/2006 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - CBM3127) Surface Observations

Donnybrook 9534 station equipment history

Air Temperature
10/JAN/2007 INSTALL Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - CBM822) Surface Observations
01/JAN/1902 INSTALL Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - CBM872) Surface Observations
10/JAN/2007 REMOVE Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - CBM872) Surface Observations

Maximum Temperature
01/JAN/1902 INSTALL Thermometer, Mercury, Max (Type Dobbie S/N - CBM4730) Surface Observations

Minimum Temperature
01/JAN/1902 INSTALL Thermometer, Alcohol, Min (Type Dobbie S/N - 56610) Surface Observations
27/NOV/2007 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 12790) Surface Observations

Busselton Shire 9515 station equipment history

Air Temperature
01/JAN/1901 INSTALL Thermometer, Mercury, Dry Bulb (Type Unknown S/N - Unknown) Surface Observations
30/NOV/1975 REMOVE Thermometer, Mercury, Dry Bulb (Type Unknown S/N - Unknown) Surface Observations

Maximum Temperature
01/JAN/1901 INSTALL Thermometer, Mercury, Max (Type Unknown S/N - Unknown) Surface Observations
30/NOV/1975 REMOVE Thermometer, Mercury, Max (Type Unknown S/N - Unknown) Surface Observations

Minimum Temperature
01/JAN/1901 INSTALL Thermometer, Alcohol, Min (Type Unknown S/N - Unknown) Surface Observations
30/NOV/1975 REMOVE Thermometer, Alcohol, Min (Type Unknown S/N - Unknown) Surface Observations

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