stackoverflow April 24, 2026 Rep: 41

How to calculate the mean value of a variable on a specific day of the year over several years

Score

Answers

Views

17.2

Trend Score

Question Details

No question body available.

Accepted Answer Available

Accepted Answer

April 24, 2026 Score: 4 Rep: 790,422 Quality: High Completeness: 30%

You can group by multiple dimensions by giving a list of dimensions.


da.groupby(['validtime.month', 'validtime.day']).mean()

Export this question and its answers for further analysis or reporting.