Selection of temporal patterns

RORB doesn’t seem to be selecting the correct temporal patterns for the design AEP. For example, if I run a single 6 hour duration 1% AEP event, I was expecting a temporal pattern from the 360 min ‘rare’ bin from the increments file. Instead, RORB is using a pattern from the ‘frequent’ bin. Selecting a 10% AEP event also uses a ‘frequent’ temporal pattern rather than one from the ‘intermediate’ bin.

Please see attached screenshot.

A workaround I’ve tried is to create a new temporal pattern file and copy the temporal patterns from the required bin over the top of the frequent big. For example, for a 360 min 1% AEP design event, copy the 10 rare patterns over the 10 frequent patterns.