Monthly statistics are only included if there are more than 10 years of data. The number of years (provided in the 2nd last column of the table) may differ between elements if the observing program at the site changed. More detailed data for individual sites can be obtained by contacting the Bureau. This page URL: http://www.bom.gov.au/climate/averages/tables/cw_005007.shtml.
piffle (third-person singular simple present piffles, present participle piffling, simple past and past participle piffled) To act or speak in a futile, ineffective, or nonsensical manner. To waste, to fritter away.
Waffle describes something with a grid pattern. An example of waffle is a thick grid pattern on a winter tee shirt; a waffle pattern. The definition of a waffle is a battercake which is cooked in an iron form that gives it a deep grid pattern. An example of a waffle is a square cake eaten for breakfast with grooves that hold butter and maple syrup. Waffle is defined as to go back and forth on an opinion in speaking or writing.