As promised, there is a new release of Pulling back the curtain, with some new features. It now plots daily precipitation, daily snowfall and consecutive days below the minimum threshold.
You can download the zip file here : Download
This will open up a new tab on Dropbox. Click on the Download button. That will download a zip file, which you will have to extract. Once extracted, navigate to that directory, enter it, and click on PullingBackTheCurtain.exe
This may bring up a warning from Windows. Click on show more
If you click on Run anyway, the program will start. The program is virus/malware free.
If you are concerned, you can test it yourself by uploading PullingBackTheCurtain.exe to https://www.virustotal.com/.