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Correct ERA5 timestamp convention #2773

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AdamRJensen merged 3 commits into from
Jun 8, 2026
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Correct ERA5 timestamp convention #2773

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Correct era5 timestamp convention
AdamRJensen Jun 2, 2026
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Add Whatsnew
AdamRJensen Jun 2, 2026
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Update whatsnew based on reviewer feedback
AdamRJensen Jun 8, 2026
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4 changes: 4 additions & 0 deletions docs/sphinx/source/whatsnew/v0.15.2.rst
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Expand Up @@ -22,6 +22,10 @@ Bug fixes
introduced in v0.15.1 (:pull:`2702`) that caused a broadcasting
``ValueError`` when ``tracker_theta`` was a 2-D (or higher rank) array.
(:issue:`2747`, :pull:`2749`)
* Document that timestamps returned by :py:func:`~pvlib.iotools.get_era5`
represent the end of the averaging interval, consistent with ERA5
conventions. (:issue:`2772`, :pull:`2773`)


Enhancements
~~~~~~~~~~~~
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2 changes: 1 addition & 1 deletion pvlib/iotools/era5.py
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Expand Up @@ -102,7 +102,7 @@ def get_era5(latitude, longitude, start, end, variables, api_key,
Returns
-------
data : pd.DataFrame
Time series data. The index corresponds to the start of the interval.
Time series data. The index corresponds to the end of the interval.
meta : dict
Metadata.

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