html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/issues/6691#issuecomment-1153613732,https://api.github.com/repos/pydata/xarray/issues/6691,1153613732,IC_kwDOAMm_X85Ewr-k,14808389,2022-06-13T08:14:43Z,2022-06-13T08:14:43Z,MEMBER,"for reference, here's the MCVE: ```python import xarray as xr ds = xr.tutorial.open_dataset(""air_temperature"") n = 3 window_size = {name: n for name in [""lat"", ""lon""]} window = ds.rolling(window_size, center=True) peak_min = window.argmin() peak_max = window.argmax() ``` As far as I can tell, the reason is that `np.argmin` does not support more than one axis (the actual call is [here](https://github.com/pydata/xarray/blob/main/xarray/core/rolling.py#L430-L432)). We could try to work around this by wrapping `argmin` and `argmax` in a function that ravels / unravels the reduce dimensions.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1268821199