Author Topic: Temperature Trend.  (Read 369 times)

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Offline GaryFunk

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Temperature Trend.
« on: October 19, 2017, 08:04:46 PM »
I need some guidance.

The formula for Pressure Trend is Delta = (Ph0 - Ph3) / 3h

I tried to find a standard formula for Temperature Trend and I don't find it. So, any suggestions on what values should be used?

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Offline CW2274

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Re: Temperature Trend.
« Reply #1 on: October 19, 2017, 08:16:53 PM »
I tried to find a standard formula for Temperature Trend and I don't find it.
Never heard of such a thing.
Davis Wireless VP2 SHT31 24hr 67CFM FARS
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Offline GaryFunk

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Re: Temperature Trend.
« Reply #2 on: October 19, 2017, 08:44:30 PM »
Then I will get credit for inventing it.

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Offline weatherist34

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Re: Temperature Trend.
« Reply #3 on: October 20, 2017, 02:44:12 AM »
Then I will get credit for inventing it.

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Good morning

Just create your own , I measure it at 15 minutes and 60 minutes just as a reference point

Temp= 14.2 - Temp15 = 14.4 outputs 0.2 and so on .. whatever the difference is output of change

I found it useful last week when putting together a home made FARS  it helped me find the optimum position.. I also use if for dew point during the silly stupid hot season here where we spend almost two months of continuous 21-25 c dew point which just wrecks us ..sleeping in that is hell..

Brian


Offline GaryFunk

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Re: Temperature Trend.
« Reply #4 on: October 20, 2017, 10:42:52 AM »


I also use if for dew point during the silly stupid hot season here where we spend almost two months of continuous 21-25 c dew point which just wrecks us ..sleeping in that is hell..

Brian
I spend a lot of time in Saigon so I can sympathize with your hell.   LOL

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Offline weatherist34

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Re: Temperature Trend.
« Reply #5 on: October 20, 2017, 11:26:03 AM »


I also use if for dew point during the silly stupid hot season here where we spend almost two months of continuous 21-25 c dew point which just wrecks us ..sleeping in that is hell..

Brian
I spend a lot of time in Saigon so I can sympathize with your hell.   LOL

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Hmmm I can cope with the dry summer heat of 30-40c but throw in the periods of dew point of 21-25c is tough for even the locals here in Istanbul particularly this year was awful .. worst Iíve experienced in 11 years..anyway just use a simple formula...brian

Offline GaryFunk

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Re: Temperature Trend.
« Reply #6 on: October 20, 2017, 04:35:09 PM »


I also use if for dew point during the silly stupid hot season here where we spend almost two months of continuous 21-25 c dew point which just wrecks us ..sleeping in that is hell..

Brian
I spend a lot of time in Saigon so I can sympathize with your hell.   LOL

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Hmmm I can cope with the dry summer heat of 30-40c but throw in the periods of dew point of 21-25c is tough for even the locals here in Istanbul particularly this year was awful .. worst Iíve experienced in 11 years..anyway just use a simple formula...brian
I'm setting the threshold at 6C for raising/falling and 12C for rapid.

I've been in Istanbul, Budrum and I've spent some time in Sinop years ago.  I found it a very beautiful and amazing.

In Saigon it's Hot and Humid almost 24 hours a day. I can't be outside an air conditioned room for 5 minutes without being wet all over. 



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