High Quality weather station audit

Marble Bar Comparison 4020 raw temperature audit

Station opened 9 February 1901 audit to 22 August 2006

(See also Marble Bar 4106)

Marble Bar Comparison 4020 maximum temperature audit

At Marble Bar Comparison 4020 from 9 February 1901 to September 1972, whole .0 Fahrenheit degrees represented 34.5% of all maximum temperatures recorded and .5 Fahrenheit degrees represented 6% of all maximum temperatures recorded.

1901-1972 represented 67.9% of the time span and had 49.2% of .0C and 21.6% of .5C maximum temperatures within the entire temperature record.

From 1972-2006, maximum temperature recordings of .0 Celsius degrees represented 20.6% of the total and .5C recordings represented 15.2% of the total of all fractions since 1972. Together, .0C and .5C represented 35.8% of all maximum temperatures recorded since metrication.

Marble Bar Comparison 4020 BoM maxima raw data feed

Marble Bar Comparison BoM High Quality adjusted anomalies above

Marble Bar Comparison unadjusted raw temperatures below

Marble Bar Comparison 4020 minimum temperature audit

At Marble Bar Comparison 4020 from 10 February 1901 to September 1972, whole .0 Fahrenheit degrees represented 39% of all minimum temperatures recorded and .5 Fahrenheit degrees represented 4.4% of all minimum temperatures recorded.

1901-1972 represented 67.9% of the time span and had 51.2% of .0C and 15.8% of .5C minimum temperatures within the entire temperature record.

From 1972-2006, minimum temperature recordings of .0 Celsius degrees represented 19.9% of the total and .5C recordings represented 17.2% of the total of all fractions since 1972. Together, .0C and .5C represented 37% of all minimum temperatures recorded since metrication.

Marble Bar Comparison 4020 BoM minima raw data feed

Marble Bar Comparison BoM High Quality adjusted anomalies above

Marble Bar Comparison unadjusted raw temperatures below

Marble Bar 4106 raw temperature audit

Station opened 26 September 2000 audit to 31 December 2011

Marble Bar 4106 maximum temperature audit

At Marble Bar 4106 from 26 September 2000 to 31 December 2011, maximum temperature recordings of .0 Celsius degrees represented 27.8% of the total and .5C recordings represented 8.1% of the total of all fractions since 1972. Together, .0C and .5C represented 36% of all maximum temperatures recorded since 26 September 2000.

Marble Bar 4106 BoM maxima raw data feed

Marble Bar 4106 minimum temperature audit

At Marble Bar 4106 from 26 September 2000 to 31 December 2011, minimum temperature recordings of .0 Celsius degrees represented 28.5% of the total and .5C recordings represented 8% of the total of all fractions since 1972. Together, .0C and .5C represented 36.5% of all minimum temperatures recorded since 26 September 2000.

Marble Bar 4106 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:

Marble Bar Comparison 4020 station equipment history

Air Temperature
01/FEB/1901 INSTALL Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - M1945) Surface Observations
25/AUG/2006 REMOVE Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - M1945) Surface Observations

Maximum Temperature
01/FEB/1901 INSTALL Thermometer, Mercury, Max (Type Dobbie S/N - M6243) Surface Observations
25/AUG/2006 REMOVE Thermometer, Mercury, Max (Type Dobbie S/N - CBM4624) Surface Observations
21/FEB/2000 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 17181) Surface Observations
06/JUL/2001 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 17181) Surface Observations
04/JAN/2002 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 18808) Surface Observations
12/MAR/2001 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 20592) Surface Observations
28/JUN/2006 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - CBM4624) Surface Observations
22/DEC/2005 REPLACE Thermometer, Mercury, Max (Now WIKA S/N - 44410) Surface Observations

Minimum Temperature
01/FEB/1901 INSTALL Thermometer, Alcohol, Min (Type Dobbie S/N - 4890) Surface Observations
25/AUG/2006 REMOVE Thermometer, Alcohol, Min (Type Unknown S/N - 24359) Surface Observations
18/JAN/2001 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 19028) Surface Observations
21/FEB/2005 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 20745) Surface Observations
26/MAY/2006 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 21051) Surface Observations
21/FEB/2006 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 43035) Surface Observations
28/JUN/2006 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 43059) Surface Observations
09/MAY/2006 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - CBM3100) Surface Observations
05/JUL/2003 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - M6706) Surface Observations
13/JUL/2006 REPLACE Thermometer, Alcohol, Min (Now Unknown S/N - 24359) Surface Observations

Marble Bar 4106 station equipment history

Air Temperature
13/JUL/2006 INSTALL Humidity Probe (Type Rotronics MP101A-T4-W4W S/N - 44691-007) Surface Observations
25/AUG/2006 REPLACE Humidity Probe (Now Rotronics MP101A-T4-W4W S/N - 41604011) Surface Observations
25/SEP/2000 INSTALL Temperature Probe - Dry Bulb (Type Rosemount S/N - 483) Surface Observations
19/SEP/2002 REPLACE Temperature Probe - Dry Bulb (Now Rosemount S/N - 604) Surface Observations

Maximum Temperature (No Electronic History)
Minimum Temperature (No Electronic History)

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