Gridded average 9am & 3pm cloud metadata


Title Mean monthly,seasonal and annual cloud data (base climatological data sets)


Custodian Bureau of Meteorology
Jurisdiction Australia


Abstract Mean monthly,seasonal and annual 9am and 3pm cloud grids. 
The grids show the cloud values across Australia in the form of two-dimensional array data. 
The mean data are based on the standard 30-year period 1976-2005. 
See LINEAGE below for more information.
Search Word(s) Gridded, spline, analyses, climatology, cloud, radiation, meteorology
Geographic Extent Names(s) Australia
General Category Gridded climatological data
General Custodian Jurisdiction Australian Government
Geographic Extent Polygon Not applicable
Geographic Bounding Box See below
North Bounding Latitude -8.950
South Bounding Latitude -45.050
East Bounding Longitude 109.950
West Bounding Longitude 160.050

Data Currency

Beginning Date 1976
Ending Date 2005

Dataset Status

Progress Completed
Maintenance and
Update frequency


Stored Data Format Arc/InfoTM grids - all Australia
Available Format Type ASCII grid-point, Arc/InfoTM grid Interchange (.e00),Shapefiles.
Access Constraint Please note that the copyright for any data supplied by the Bureau of Meteorology is held in the Commonwealth of Australia and the purchaser shall give acknowledgement of the source in reference to the data. Apart from dealings under the Copyright Act 1968, the purchaser shall not reproduce (electronically or otherwise), modify or supply (by sale or otherwise) these data without written permission from the supplier.  Please contact us (see details below) for more information.

Data Quality

Lineage Gridded data were generated using the ANU (Australian National University) 3-D Spline (surface fitting algorithm). As part of the 3-D analysis process a 0.1 degree resolution digital elevation model (DEM) was used. The grid point resolution of the data is 0.1 degrees (approximately 10km).
Approximately 365 stations were used in the analysis. Most of the stations used in the analysis have at least 10 years of records, with at least 80% complete data over the recorded period.
All input station data underwent a high degree of quality control before analysis, and conform to WMO (World Meteorological Organisation) standards for data quality. The cloud data that were used in producing the grids are from the Bureau of Meteorologys manual observing stations. 
Positional Accuracy The observational (station) data on which the analyses were based have an associated accuracy of the order of 0.01 degrees (approximately 1km) or better.
Attribute Accuracy Grid point data are post-processed. 
For more information (metadata) on observing stations please contact us.
Logical Consistency Not applicable
Completeness No missing data

Contact Information

Contact Organisation Bureau of Meteorology
Contact Position Climate Data Services
Mail Address PO BOX 1289, Melbourne 3001, Australia
State Victoria
Country Australia
Postcode 3001
Telephone (03) 9669 4082
Facsimile (03) 9669 4515
Electronic Mail

Metadata date

Metadata date 2012
Additional Metadata Additional information available on request (see contact above).
Page updated: 20 March 2012