On Wed, 26 Jul 2017 13:15:11 +0100, whisky-dave wrote:

On Tuesday, 25 July 2017 19:18:26 UTC+1, James Wilkinson Sword wrote:
On Tue, 25 Jul 2017 11:55:29 +0100, whisky-dave wrote:

On Thursday, 20 July 2017 20:38:25 UTC+1, James Wilkinson Sword wrote:

How about showers or inteminant showers or heavy downfalls, storms.

Yes, those are more helpful. But "20% chance of rain" means nothing,

It means there's a 20% chance of it raining. Which means that if there were 5 days like that then on one day yuo'd be pretty certain of it raining but not on other days. But you do need a functioning brain for such informatiuon to mean anything.

It's useless information. A light shower for 5 minutes or a heavy downpour for an entire day both come under that prediction.

There should be a measurement where 0% means no rain at all, and 100% means rain all day.

So what would 50% mean light showers for 50% of the day or heavy rain 50% of the day, and what would the other 50% be of the day be like ?

If there's only a % number it should be expressed as a percentage of pouring all day.

Why it's useless, they chance of it raining the whole day i.e 24 hours is not very likely.

I can think of many days where it's just kept on raining. Clouds hunt in packs.

And if it's 10% it'll mean it'll rain for 2.4 hours. But that doesn't tell you when either.

2.4 hours would be useful. I'd know how much water is going to fall. For example, I would still water my dried out garden if it was going to rain for 1% of the day.

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