Siphon 0.5.0 has been released with API improvements as well as time-based filtering of datasets. Full releases notes are available on the GitHub Release page
Siphon packages are available for Conda on the conda-forge channel, and for pip from the Python Package Index.
Let us know if you run into any problems, either at Siphon's issue tracker, or on the Unidata python-users list.
[Read More]