Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
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.
A difference of one in the last digit is probably down to rounding due to the different ways the figures are calculated - particularly if you have stopped and started Cumulus at some point in the last 24 hours. If you would like me to investigate further, please zip up the diags folder and attach it to a reply. Please also include your September log file in the zip, and tell me at what time you observed this.