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<font color='#000080'>Before we start and I end up with lots of abuse about temperature and how it effects pressure, I know that it does. Mainly due to the number of dissapointing fills that I have had and its been put down to "lucky you got more than 200 bar on a day like this" when questioned.
What I want to know is, is there some way or guide line to follow if you are prepping your gear the night before and notice your cylinder pressure lets say 329 bar @ 13 deg.How much will it have dropped when you are on the dive site in the morning?
I don't know what the temperature was when the cylinders were filled ( the obvious get out for many, if only we had known...)
It goes without saying it will make no difference to the dive we will do I'm just curious, I'm sure when we kit up tommorrrow the room temp will be a distant memory.
Is there a bar per degree drop.
Come on answers on a post, will let you know how you got on.
John.
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