allow non-monotonic window lead times in helpers/statistics.py ahead_names definition

added enhancement label

assigned to @weichselbaum1

created merge request !309 (closed) to address this issue

mentioned in merge request !309 (closed)

closed

reopened

created merge request !310 (merged) to address this issue

mentioned in merge request !310 (merged)

added .done label

mentioned in merge request !314 (merged)

mentioned in commit ad6db881

mentioned in commit a843aaeb

added merged in Develop label and removed .done label

closed

removed merged in Develop label