The Bureau of Meteorology (BoM) declared the wet weather system had moved on and the scale had reverted back to neutral last week.

But, weather enthusiasts in Tamworth have been keeping a keen eye on another system that's predicted to roll in and take its place.

La Nina was declared by the bureau at the end of September last year, and close to 600mm has fallen during the six months.

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More than a third of that rain fell during a soaking wet December, and the second wettest La Nina month for Tamworth was February.

During the exact same time period the year before, only 447mm was clocked at the Tamworth airport BoM station.

Grey skies came through with the wet stuff on 56 days, since La Nina was declared.

The city's rainiest day in the six months was December 22, when 92mm was dumped on Tamworth. It brought a moderate flood sweeping through town the next day, and helped to boost Chaffey Dam past 40 per cent full by Christmas.

La Nina went out with a bang in its final days at the end of March, when another moderate flood surged down the Peel River and through Tamworth.

The river peaked at more than 5m and water inundated low-lying areas, with parts of the clean-up still continuing.

Temperatures took a dive during the La Nina event, and Tamworth locals didn't have to suffer through a sweltering summer.

The hottest day for the period was at the start of December when a short heatwave struck, and the mercury hit 41.8 degrees.

It was one of only two times in the past six months the temperature beat 40 degrees.

There were 77 days over 30 degrees, compared to 106 days over 30 degrees for the same time period the year before.

Despite the end of the La Nina event, local weather enthusiast and administrator of Tamworth Regional Weather, Dave Farrenden, said there could be wet weather ahead with an event called a Negative Indian Ocean Dipole on the way.

"It is pushing moisture towards Australia ... looking to start coming in mid-July and taking the downward trend into June and May," he said.

"Sometimes it can produce more snow through winter with more moisture about ... which is good for dams, especially Chaffey Dam."

In the meantime, Mr Farrenden said Tamworth is heading into a short cold snap this week and could expect to see some lingering effects of La Nina.

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