Mr Trewin also noted that the Bureau had recently changed its Melbourne monitoring site from the Royal Society of Victoria on La Trobe Street in the city to Olympic Park, near Rod Laver Arena. Maximum temperatures recorded at the new site were on average 1.2 degrees cooler, particularly on cool days, because air coming from the south and west was travelling over parklands rather than the through the city.
h/t to handjive at notricks
Head image from an article by Anthony Watts at Steve McIntyre’s ClimateAudit 2007 article 6 years ago. (I’ve add the red circles)
BOM report it here,
no mention of why
Even rainfall data will be wrong with those tall nearby structures and fences.
The Age reported the closure here. No mention of why.