WeatherCat Version 4.0.0 dev release #13 is now available for testing. See https://athena.trixology.com/index.php?topic=3713.0 for more details and download.
Well, you're right, it doesn't display like that in Chrome Best thing to do if this sort of thing happens is to capture a copy of the realtimegaugesWC.txt file - there is probably something in there causing it - it looks like the problem has cleared now?