(Note that 4.1.0 (build 4024) - 05 June 2024 remains available, but usage of this version is not recommended for Davis stations - and the included utility in this distribution for migrating to v4 is known to contain errors affecting conversion of dayfile.txt)
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
Here's a curious stat about yesterday's weather. It wasn't the windiest day this month. The 2nd was with a wind run of 318 miles. Yesterday's was 301.3 miles.