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For more than a century, thousands of people across Australia have stepped outside each morning to check their rain gauge. But that network is rapidly shrinking and there are concerns we might be losing more than just rainfall figures.

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00:04At 90 years old, retired farmer Frank Pritchard starts his day the same way he has for most
00:10of his life, by checking the rain gauge and writing down a number.
00:20Inside his home office are hundreds of pages of weather observations, stretching back more
00:25than a century. They span multiple properties and generations.
00:29Snow. Snow. In New Angra. Oh yeah. That's not common. No, it's not.
00:36But he's one of a shrinking number of volunteers still keeping the books. The number of rainfall
00:41observations taken across Australia has fallen sharply over the past 50 years. 8,500 stations
00:48in the 70s, dropping to under 5,000. Those outposts aren't really there anymore,
00:53so there's not people to take those weather observations.
00:56This doesn't impact the ability to forecast the weather,
00:59but climate scientists say it does mean fewer opportunities to check the accuracy of forecasts
01:05after it's happened. In a warming world, this is especially important.
01:10I can get a dump of rain at my place and you might not get anything at your place two
01:14blocks away.
01:15We don't have stations there to catch that information, then we're going to miss out on
01:20that, which is going to affect the accuracy, not only of weather forecasts, but of climate projections.
01:26There are still families who recognise the value of keeping the records.
01:31Like Kojanup farmers Tim and Trish Webb.
01:34Just having that faith and hope that, yes, we've had those periods before and we'll have more again.
01:40They're fragile. They are.
01:42And no one's too keen to be the generation that lets go of a long-running family tradition.
01:48Keep the ball going, yeah, and don't let the side down.
01:52What do you guys want to do?
01:53All right, suppose you do anything?
01:54You don't want to go and keep all of your powers in
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