High Quality weather station audit

Cape Naturaliste 9519 raw temperature audit

Station opened 1 January 1957 audit to 31 December 2011

Cape Naturaliste 9519 maximum temperature audit

At Cape Naturaliste 9519 from 1 January 1957 to September 1972, whole .0 Fahrenheit degrees represented 30.5% of all maximum temperatures recorded.

1957-1972 represented 29.1% of the time span and had 23.3% of .0C and 3.4% of .5C maximum temperatures within the entire temperature record.

From 1972-2011, maximum temperature recordings of .0 Celsius degrees represented 13.6% of the total and .5C recordings represented 12.4% of the total of all fractions since 1972. Together, .0C and .5C represented 26% of all maximum temperatures recorded since metrication.

Cape Naturaliste 9519 BoM maxima raw data feed

Cape Naturaliste BoM High Quality adjusted anomalies above

Cape Naturaliste unadjusted raw temperatures below

Cape Naturaliste 9519 minimum temperature audit

At Cape Naturaliste 9519 from 1 January 1957 to September 1972, whole .0 Fahrenheit degrees represented 34.2% of all minimum temperatures recorded.

1957-1972 represented 29.1% of the time span and had 18.8% of .0C and 3.3% of .5C minimum temperatures within the entire temperature record.

From 1972-2011, minimum temperature recordings of .0 Celsius degrees represented 17.2% of the total and .5C recordings represented 13.3% of the total of all fractions since 1972. Together, .0C and .5C represented 30.6% of all minimum temperatures recorded since metrication.

Cape Naturaliste 9519 BoM minima raw data feed

Cape Naturaliste BoM High Quality adjusted anomalies above

Cape Naturaliste unadjusted raw temperatures below

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:

Cape Naturaliste 9519 station equipment history

Air Temperature
30/NOV/1995 INSTALL Humidity Probe (Type Unknown S/N - Unknown) Surface Observations
14/APR/1999 REPLACE Humidity Probe (Now Rotronics S/N - 11666-008) Surface Observations
21/FEB/2001 REPLACE Humidity Probe (Now Rotronics S/N - 1468400/8) Surface Observations
07/AUG/1998 REPLACE Humidity Probe (Now Rotronics S/N - 509100/36) Surface Observations
20/JUN/2002 REPLACE Humidity Probe (Now Vaisala HMP45D S/N - V0720024) Surface Observations
30/NOV/1995 INSTALL Temperature Probe - Dry Bulb (Type Rosemount S/N - 0071) Surface Observations
01/APR/1904 INSTALL Thermometer, Mercury, Dry Bulb (Type Unknown S/N - 287745) Surface Observations
30/NOV/1995 REMOVE Thermometer, Mercury, Dry Bulb (Type Dobbie S/N - 1355) Surface Observations
26/MAR/1987 REPLACE Thermometer, Mercury, Dry Bulb (Now Dobbie S/N - 1355) Surface Observations

Maximum Temperature
01/JAN/1904 INSTALL Thermometer, Mercury, Max (Type Unknown S/N - Unknown) Surface Observations
30/NOV/1995 REMOVE Thermometer, Mercury, Max (Type Dobbie S/N - 3360) Surface Observations
28/JUN/1984 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 3360) Surface Observations
09/MAR/1972 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - 8067) Surface Observations
11/DEC/1970 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - Unknown) Surface Observations
24/AUG/1972 REPLACE Thermometer, Mercury, Max (Now Dobbie S/N - Unknown) Surface Observations
Minimum Temperature
01/JAN/1904 INSTALL Thermometer, Alcohol, Min (Type Unknown S/N - 5691) Surface Observations
30/NOV/1995 REMOVE Thermometer, Alcohol, Min (Type Dobbie S/N - 3120) Surface Observations
09/JUN/1980 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - 3120) Surface Observations
31/DEC/1976 REPLACE Thermometer, Alcohol, Min (Now Dobbie S/N - Unknown) Surface Observations

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