Update EPW design conditions to ASHRAE 2021

[shorowit]

Issue overview

Current design conditions are based on ASHRAE 2013. ASHRAE 2013 CSVs can be found here.

Related issue: https://github.com/NREL/EnergyPlus/issues/7077 Related Unmet Hours post: https://unmethours.com/question/98904/energyplus-weather-program-still-uses-ashrae-2013-design-conditions-are-there-any-plans-to-update-that-to-current-ashrae-2021-weather-conditions/

Checklist

Add to this list or remove from it as applicable. This is a simple templated set of guidelines.

• [ ] Defect file added (list location of defect file here)
• [ ] Ticket added to Pivotal for defect (development team task)
• [ ] Pull request created (the pull request will have additional tasks related to reviewing changes that fix this defect)

[JasonGlazer]

I assume this file is generated by script based on the ASHRAE design day data from the HOF but I don't know who might have script.

[shorowit]

I did discover that the TMY3 EPWs posted on climate.onebuilding.org include ASHRAE 2021 design conditions (as well as updated precipitation values). For example, here's a diff for one TMY3 EPW (energyplus.net on the left, climate.onebuilding.org on the right):

[jmarrec]

Last time this was touched I think: https://github.com/NREL/EnergyPlusBuildSupport/pull/23/commits/02a316a32dfc3c586c00d0fdb23f419ca91ccd7e

If we want to pursue this, I suggest reaching out to Dru and Linda.