Allow no padding for rolling windows

doc/whats-new.rst

@@ -23,6 +23,8 @@ v2024.03.0 (unreleased)
 New Features
 ~~~~~~~~~~~~
 
+- Allow control over padding in rolling. (:issue:`2007`, :pr:`5603`).
+  By `Kevin Squire <https://github.com/kmsquire>`_.
 - Do not broadcast in arithmetic operations when global option ``arithmetic_broadcast=False``
   (:issue:`6806`, :pull:`8784`).
   By `Etienne Schalk <https://github.com/etienneschalk>`_ and `Deepak Cherian <https://github.com/dcherian>`_.

xarray/core/dataarray.py

@@ -6852,6 +6852,7 @@ def rolling(
         dim: Mapping[Any, int] | None = None,
         min_periods: int | None = None,
         center: bool | Mapping[Any, bool] = False,
+        pad: bool = True,
         **window_kwargs: int,
     ) -> DataArrayRolling:
         """
@@ -6919,7 +6920,9 @@ def rolling(
         from xarray.core.rolling import DataArrayRolling
 
         dim = either_dict_or_kwargs(dim, window_kwargs, "rolling")
-        return DataArrayRolling(self, dim, min_periods=min_periods, center=center)
+        return DataArrayRolling(
+            self, dim, min_periods=min_periods, center=center, pad=pad
+        )
 
     def cumulative(
         self,

xarray/core/dataset.py

@@ -10329,6 +10329,7 @@ def rolling(
         dim: Mapping[Any, int] | None = None,
         min_periods: int | None = None,
         center: bool | Mapping[Any, bool] = False,
+        pad: bool = True,
         **window_kwargs: int,
     ) -> DatasetRolling:
         """
@@ -10362,7 +10363,9 @@ def rolling(
         from xarray.core.rolling import DatasetRolling
 
         dim = either_dict_or_kwargs(dim, window_kwargs, "rolling")
-        return DatasetRolling(self, dim, min_periods=min_periods, center=center)
+        return DatasetRolling(
+            self, dim, min_periods=min_periods, center=center, pad=pad
+        )
 
     def cumulative(
         self,