Merge branch 'max_version_0.6.8' into 'master'

fixed time harmonizing, updated toarstats to 0.6.8

See merge request !20

CHANGELOG.md

 # Changelog
 All notable changes to this project will be documented in this file.
 
+## v0.6.8 - 2025-03-07 - bugfix in time harmonizing
+
 ## v0.6.7 - 2025-02-21 - fixed output format
 
 ### general:

setup.cfg

 [metadata]
 name = toarstats
-version = 0.6.7
+version = 0.6.8
 author = Niklas Selke, Martin Schultz, Max Lensing
 author_email = n.selke@fz-juelich.de, m.schultz@fz-juelich.de, m.lensing@fz-juelich.de
 description = Collection of statistics for the TOAR community

toarstats/metrics/stats_utils.py

@@ -301,14 +301,13 @@ def harmonize_time(ser_list, ref, mtype, rsfreq=None):
     :return: A list of series with harmonized datetime indices
     """
     if mtype == "custom":
-        custom_index = pd.DatetimeIndex([ref.index.min().strftime("%Y-%m-%d")])
         for record in ser_list:
-            record["ser"].index = custom_index
+            record["ser"].reindex([ref.index.min()])
     else:
         if rsfreq is None:
             rsfreq = RSTAGS[mtype]
-        tmin = ref.index.min()
-        tmax = ref.index.max()
+        tmin = ref.index.min().strftime("%Y-%m-%d")
+        tmax = ref.index.max().strftime("%Y-%m-%d")
 
         try:
             newindex = pd.date_range(tmin, tmax, freq=rsfreq)