Update variables_style_rules.csv (#2164)

RDaxini · web-flow · commit 5aa9ba184c61 · 2024-09-11T22:57:59.000+02:00
add ape
diff --git a/pvlib/data/variables_style_rules.csv b/pvlib/data/variables_style_rules.csv
@@ -10,6 +10,7 @@ bhi;beam/direct horizontal irradiance
 ghi;global horizontal irradiance
 ghi_extra;horizontal irradiance at top of atmosphere (extraterrestrial)
 gri;ground-reflected irradiance
+ape;average photon energy
 aoi;angle of incidence between :math:`90\deg` and :math:`90\deg`
 aoi_projection;cos(aoi)
 airmass;airmass
