Warmest July across the nation

By Peter Nelson on August 07, 2017

Last month was the warmest July across the Nation on record with many temperatures breaking previous records set decades ago.

It was certainly not the warmest July in our regions by a long shot although Moree on 30th July had it's warmest July day since 1958 with a reading of 28.9.

In the Northern Territory July was easily the warmest on record . At Darwin and Tennant Creek the mean maximum and mean minimum temperatures were both well above the normal.

Previous July's at Darwin when both the Maximum temperatures and Minimum temperatures were significantly warmer than normal were in 1903, 1906, 1916, 1920, 1975 and 2010 and all these episodes led to well above rainfall for the next 6 months from August in our regions.

At Tennant Creek previous July's with both maximums and Minimums also well above normal were in 1920, 1947, 1958, 1973, 1975, 1990 and 2013.

All these episodes led to above average rainfalls again in our regions the next 6 months from August. There were floods in NE Victoria in both 1973 and 1975.

Much needed moderate rainfalls were recorded last Friday 4th August especially north from Wyalong. Coonabarabran received 20 mms rainfall after the 3rd driest June-July in 138 years of records.

Only 12.2 mms was received during June-July, the drier such periods were in 1940 and 1970.

Melbourne recently had it's coldest August day since 1970 and there was plenty of rain in our region from late August onwards to early 1971.

By Peter Nelson on August 07, 2017

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