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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025

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Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
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web tag "Hours of Sunshine" shows 0

Discussion and questions about Cumulus weather station software version 1. This section is the main place to get help with Cumulus 1 software developed by Steve Loft that ceased development in November 2014.
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THX
Posts: 150
Joined: Thu 07 Jan 2010 2:47 pm
Weather Station: Vantage Vue
Operating System: Windows 7
Location: Creve Coeur, Missouri, USA
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web tag "Hours of Sunshine" shows 0

Post by THX »

I notice the new web tag "Hours of Sunshine" in the Today and Yesterday page is showing 0.0 hours.

Is this a spurious reading because of the new install? Or, will it read normally say in a day or two?
Last edited by daj on Sun 17 Oct 2010 4:25 pm, edited 1 time in total.
Reason: Moderator Edit - Split into own topic
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steve
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Re: web tag "Hours of Sunshine" shows 0

Post by steve »

It should start recording straight away. You may need to tweak your sunshine threshold and transmission factor for your environment (in the station settings). The theoretical max solar value at any given time of day is plotted in the monthly log file, along with your current solar reading, so you can compare the reading with the theoretical max and decide what values work best for you. What I've been doing is watching the solar reading as the sun comes out and goes behind clouds, to see what sort of figure corresponds to sunshine.
Steve
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