pvlib · kperrynrel · Jun 24, 2022 · May 25, 2022 · May 25, 2022 · May 25, 2022
diff --git a/docs/api.rst b/docs/api.rst
@@ -7,6 +7,19 @@ API Reference
 Quality
 =======
 
+Data Shifts
+-----------
+
+Functions for identifying shifts in data values in time series
+and for identifying periods with data shifts. For functions
+that identify shifts in time, see ``quality.time``
+
+.. autosummary::
+   :toctree: generated/
+
+   quality.data_shifts.detect_data_shifts
+   quality.data_shifts.get_longest_shift_segment_dates
+
 Irradiance
 ----------
 

diff --git a/docs/index.rst b/docs/index.rst
@@ -25,6 +25,8 @@ library status.
 - :py:mod:`quality` contains submodules for different kinds of data quality
   checks.
 
+  - :py:mod:`quality.data_shifts` contains quality checks for detecting and 
+    isolating data shifts in PV time series data.
   - :py:mod:`quality.irradiance` contains quality checks for irradiance
     measurements.
   - :py:mod:`quality.weather` contains quality checks for weather data (e.g.

diff --git a/docs/whatsnew/0.1.2.rst b/docs/whatsnew/0.1.2.rst
@@ -5,7 +5,9 @@
 
 Enhancements
 ~~~~~~~~~~~~
-
+* Detect data shifts in daily summed time series with 
+   :py:func:`pvanalytics.quality.data_shifts.detect_data_shifts`
+  and :py:func:`pvanalytics.quality.data_shifts.get_longest_shift_segment_dates`. (:pull:`142`)
 
 Bug Fixes
 ~~~~~~~~~