High Quality weather station audit

Halls Creek Airport 2012 raw temperature audit

Station opened 1 January 1944 audit to 31 December 2011

(See also Old Halls Creek 2011)

Halls Creek Airport 2012 maximum temperature audit

At Halls Creek Airport 2012 from 1 January 1944 to September 1972, whole .0 Fahrenheit degrees represented 17.2% of all maximum temperatures recorded and .5 Fahrenheit degrees represented 6% of all maximum temperatures recorded.

1944-1972 represented 42.6% of the time span and had 27.9% of .0C and 20.2% of .5C maximum temperatures within the entire temperature record.

From 1972-2011, maximum temperature recordings of .0 Celsius degrees represented 11.9% of the total and .5C recordings represented 10.6% of the total of all fractions since 1972. Together, .0C and .5C represented 22.5% of all maximum temperatures recorded since metrication.

Halls Creek Airport 2012 BoM maxima raw data feed

Halls Creek Airport BoM High Quality adjusted anomalies above

Halls Creek Airport unadjusted raw temperatures below

Halls Creek Airport 2012 minimum temperature audit

At Halls Creek Airport 2012 from 1 January 1944 to September 1972, whole .0 Fahrenheit degrees represented 21.5% of all minimum temperatures recorded and .5 Fahrenheit degrees represented 6.1% of all minimum temperatures recorded.

1944-1972 represented 42.6% of the time span and had 29% of .0C and 17.5% of .5C minimum temperatures within the entire temperature record.

From 1972-2011, minimum temperature recordings of .0 Celsius degrees represented 12.2% of the total and .5C recordings represented 11.4% of the total of all fractions since 1972. Together, .0C and .5C represented 23.6% of all minimum temperatures recorded since metrication.

Halls Creek Airport 2012 BoM minima raw data feed

Halls Creek Airport BoM High Quality adjusted anomalies above

Halls Creek Airport unadjusted raw temperatures below

Old Halls Creek 2011 raw temperature audit

Station opened 1 January 1898 audit to 31 March 1969

Old Halls Creek 2011 maximum temperature audit

At Old Halls Creek 2011 from 1 January 1898 audit to 31 March 1969, whole .0 Fahrenheit degrees represented 26.5% of all maximum temperatures recorded and .5 Fahrenheit degrees represented 5.4% of all maximum temperatures recorded.

Old Halls Creek 2011 BoM maxima raw data feed

Old Halls Creek 2011 minimum temperature audit

At Old Halls Creek 2011 from 1 January 1898 audit to 31 March 1969, whole .0 Fahrenheit degrees represented 27.9% of all minimum temperatures recorded and .5 Fahrenheit degrees represented 5.8% of all minimum temperatures recorded.

Old Halls Creek 2011 BoM minima raw data feed

Halls Creek Comparison 2071 raw temperature audit

Station opened 25 August 1996 audit to 28 February 2001

Halls Creek Comparison 2071 maximum temperature audit

At Halls Creek Comparison 2071 from 25 August 1996 to 28 February 2001, maximum temperature recordings of .0 Celsius degrees represented 12.2% of the total and .5C recordings represented 9.5% of the total of all fractions from 1996 to 2001. Together, .0C and .5C represented 21.6% of all maximum temperatures recorded from 1996 to 2001.

Halls Creek Comparison 2071 BoM maxima raw data feed

Halls Creek Comparison 2071 minimum temperature audit

At Halls Creek Comparison 2071 from 25 August 1996 to 28 February 2001, minimum temperature recordings of .0 Celsius degrees represented 10.6% of the total and .5C recordings represented 9.7% of the total of all fractions from 1996 to 2001. Together, .0C and .5C represented 20.3% of all minimum temperatures recorded from 1996 to 2001.

Halls Creek Comparison 2071 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:

Halls Creek 2012 station equipment history

Air Temperature
10/OCT/2006 INSTALL Humidity Probe (Type Vaisala HMP45D S/N - V0720023) Surface Observations
24/JUN/2008 REPLACE Humidity Probe (Now Unknown S/N - Unknown) Surface Observations
25/AUG/1996 INSTALL Temperature Probe - Dry Bulb (Type Rosemount S/N - 118) Surface Observations
01/NOV/1966 INSTALL Thermograph (Type Weekly S/N - Unknown) Surface Observations
05/MAR/1996 REMOVE Thermograph (Type Weekly S/N - Unknown) Surface Observations
22/JUL/1999 INSTALL Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - 12593) Surface Observations
01/JAN/1944 INSTALL Thermometer, Mercury, Dry Bulb (Type Unknown S/N - Unknown) Surface Observations
25/AUG/1996 REMOVE Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - M0829) Surface Observations
11/JUL/2000 REPLACE Thermometer, Mercury, Dry Bulb (Now Dobbie S/N - 16887) Surface Observations
11/AUG/1995 REPLACE Thermometer, Mercury, Dry Bulb (Now Dobbie S/N - M0829) Surface Observations

Maximum Temperature
03/JAN/2002 INSTALL Thermometer, Mercury, Max (Type Dobbie S/N - 13418) Surface Observations
01/JAN/1944 INSTALL Thermometer, Mercury, Max (Type Unknown S/N - Unknown) Surface Observations
25/AUG/1996 REMOVE Thermometer, Mercury, Max (Type Dobbie S/N - M0428) Surface Observations
16/NOV/2005 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 17370) Surface Observations
01/SEP/2002 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - CBM4360) Surface Observations
11/AUG/1995 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - M0428) Surface Observations

Minimum Temperature
03/JAN/2002 INSTALL Thermometer, Alcohol, Min (Type Dobbie S/N - M1525) Surface Observations
24/NOV/2008 INSTALL Thermometer, Alcohol, Min (Type Unknown S/N - 29041) Surface Observations
01/JAN/1944 INSTALL Thermometer, Alcohol, Min (Type Unknown S/N - Unknown) Surface Observations
16/APR/2008 INSTALL Thermometer, Alcohol, Min (Type WIKA S/N - 29032) Surface Observations
25/AUG/1996 REMOVE Thermometer, Alcohol, Min (Type Dobbie S/N - M0070) Surface Observations
16/AUG/2009 REMOVE Thermometer, Alcohol, Min (Type Unknown S/N - 29041) Surface Observations
13/OCT/2008 REMOVE Thermometer, Alcohol, Min (Type WIKA S/N - 29032) Surface Observations
31/JAN/2008 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 43086) Surface Observations
11/AUG/1995 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - M0070) Surface Observations
24/AUG/2008 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - M1525) Surface Observations
01/FEB/2008 REPLACE Thermometer, Alcohol, Min (Now WIKA S/N - 27610) Surface Observations

Old Halls Creek 2011 station equipment history

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

Halls Creek Comparison 2071 station equipment history

Air Temperature
25/AUG/1996 INSTALL Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - M0698) Surface Observations
01/MAR/2001 REMOVE Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - M0698) Surface Observations

Maximum Temperature 25/AUG/1996 INSTALL Thermometer, Mercury, Max (Type Dobbie S/N - M0572) Surface Observations
01/MAR/2001 REMOVE Thermometer, Mercury, Max (Type Dobbie S/N - M0367) Surface Observations
11/JUL/2000 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - M0367) Surface Observations

Minimum Temperature 25/AUG/1996 INSTALL Thermometer, Alcohol, Min (Type Dobbie S/N - M1525) Surface Observations
01/MAR/2001 REMOVE Thermometer, Alcohol, Min (Type Dobbie S/N - M1525) Surface Observations

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