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Canberra's Moderate Climate Change

over the last 100 Years


Maximum Temperatures have risen over 1.7 C since around 1950. These rose very slowly about half a degree up to 1977, then were flat and dropped a little, but from 1991 to 2004 they rose steeply about 1.3 degrees. Since 2004, the 12 year average as been fairly flat.

Minimum Temperatures have risen about 1 degree.Like some other places, the pattern is fairly steady till the early 1970s, after which it rose 0.7 of a degree and then it was flat till the late 1990s, since when it has risen about 0.3 degree.

Diurnal Ranges were fairly constant till 1945, since when the have risen about 1 degree, largely due to the steep rise in maximums in the late 1990s.

Rainfall at Queanbeyan has risen about 5% (572 to 609 mms), comparing 1870-1942 with 1943 to 2015. Ainslie seems to receive about 6% more rain than Queanbeyan. Given the overall variation, there is no significant change in rainfall over the whole period.