Pressure Reading

[Orion]

Looking at averages and extremes for jan2011, I have a lowest reading of 0.0 hpa day 01
but looking at this month`s highs and lows it says 1013.6hpa on 04 Jan
any ideas ?

[steve]

The figure on the 'This Year' and 'This Month' screen is found by trawling dayfile.txt, so it looks like somehow you have an entry in there for 1st Jan with a minimum pressure for that day of zero.

[steve]

If you let me have your Jan log, dayfile.txt and diags files, I might be able to see how the zero got in there but evaded becoming this month's low. I suspect something odd happened at start up.

[Orion]

Thanks steve
was editing the dayfile .txt when i saw your second post
have zipped a backup

[steve]

That's all rather strange. The low pressure for 1st Jan in dayfile.txt looks OK (and your file works OK for me in Cumulus). Also, it starts on 1st Jan - did you start again with your data at the start of the year?

[Orion]

That's all rather strange. The low pressure for 1st Jan in dayfile.txt looks OK (and your file works OK for me in Cumulus). Also, it starts on 1st Jan - did you start again with your data at the start of the year?

Thanks for looking Steve I changed the 0.0hpa to 1026.0hpa from my Wunderground data for the 1st Jan at 00:01
00:01 4.1 °C 3.5 °C 1026.0hPa SE 2.6km/h 2.6km/h 96% 0.0mm
having only been running this WH1081 for about 1 month and getting it all calibrated as close as possible, I did a complete data wipe and started from scratch at 1min past midnight on the 1st Jan
Here is a backup from the 2nd jan that was backed up using cumulus Toolbox
Many thanks
ROY