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Posted

Interestingly, the W.A. Dept of Agriculture did a study on evaporation levels from farm dams quite a number of years ago. They discovered that greater levels of evaporation occurred on warm windy nights from farm dams, than during the day - and especially where the dam mouth faced the prevailing winds (South-Easterlies in the lower part of W.A.).

 

This was due to the fact that the amount of wind played a larger part in evaporation, than the hot sun during the day. Quite often, hot sunny days here have relatively low levels of wind, and it's the wind that moves the evaporated moisture.

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Posted

On a ' hot & low moisture day ' .

I put up more shade-cloth . makes a great difference. 

At the end of summer.  I had 2/3rds of the back garden covered .

spacesailor

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Posted

Typical stupid Melbourne weather. Nearly two straight weeks of hot to very hot weather, with one day where it's pissing down rain - the day of the F1 Grand Prix.

 

Let's hope it's not like that in two weeks, for the Avalon Air Show, not that I'm likely to go. I'm a bit beyond that now, but my daughter will probably go. She;ll have to take the photos for me.

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Posted

I keep looking and I can't see you getting much  rain. Humidity deals with the other factors. Relative or absolute.  Who's JUST talking about temperature.? Cold air doesn't carry much moisture, The south pole is as dry as a desert.  Tropical Maritime air masses have the most water. Nev

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Posted

Me;bourne's lovely weather surely screwed up the F1 GP, with cars spinning and sliding everywhere, with 5 cars unable to finish , including Jack Doohan, and Oscar Piastri sliding onto the grass and losing about 14 places, but managed to recover and claw his way back into the points. Even Lewis Hamilton did a bit of a waltz.

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  • 2 weeks later...
Posted

Well it finally rained at my place over the past two days. I don't have a gauge, but looking at the BOM reports I probably got about 50 mm. The first day it was steady rain that soaked in and yesterday it was a lot heavier. It's stopped now and the sky is clear. Augers well for washing day tomorrow. I can hear the creek through the property running, and the frogs are starting their mating calls.

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Posted
  On 29/03/2025 at 9:30 PM, facthunter said:

Be lovely and green soon

Expand  

Sooner than you think.

The cockies around here seem to be happy. They are saying that they will be sowing by Easter. 

 

I'm amazed at how grain production has changed since the 1970s. No more burning stubble, or ploughing it in. With GPS controlling the tractors they now sow between the rows of standing stubble from the previous crop. GPS also control the headers at harvest time. The most the driver has to do is monitor the harvester's progress to avoid trees and engage the unloading auger when the field bin comes alongside. Other than that it's just a matter of monitoring systems and watching out for things that could damage the machine.

 

As for temporary storage of harvested grain, they now have a method of filling storage tubes using a method similar to that used to fill sausages. Then they can store the grin in the field until is is convenient to sell it off. No more spending days lined up at a Grain Corp silo waiting a turn to unload. 

 

The mind boggles at the financial investment in machinery and such required for 'profitable' farming these days.

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  • 1 month later...
Posted

Weird weather lately in Victoria. A few days with only 2 or 3 mm of rain. Worst drought in years. So bad they've had to fire up the desalination plant, and rationing is on the cards.

 

And last night was the coldest this time of year for 79 years. Minimums of 2 deg in the city, -1 in the eastern suburbs and -5 deg at Coldstream. Supposed to be colder tomorrow, before winds turn northerly and end frosts for a while.

 

 

 

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Posted

We had the hottest Summer I can recall since the heatwave of 1962, then we had a little bit of rain in March, and absolutely nothing since. It's been an endless Summer, we had 34° on the 9th May, nearly a record high for May.

It's been endless sunny days, and no real rain in sight. The weather pattern is like Mid-Summer, huge high pressure systems sitting in the Bight, blocking the cold fronts and making them slide away to the S.E. without any impact on the State.

A lot of farmers are worried that it's going to be a drought year. There's talk of the 80 year drought cycle coming around again, there was a huge drought in 1944-45, and the Eastern States were worse affected than W.A. in those two years.

The BOM reckons there's a decent cold front coming through on Friday and Saturday, but I'm convinced we won't see any rain until the first week of June. We have a lot of rainfall catch-up to do.

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