To accurately select the correct response regarding the intervals of average rainfall from June to December, it would depend on the specific trends shown in the provided graph. However, based on typical weather patterns in many regions, one might expect variations in average rainfall during that period.
If the graph shows that average rainfall starts low in June, increases through the summer months, and then potentially decreases in the fall (September to December), the best description would likely be:
the average rainfall increases then decreases
If the graph indicates that average rainfall remains consistent or any other specific behavior, the choice could vary accordingly. Without the visual context, this response is the most general one based on common seasonal rainfall trends. Please confirm from the graph which pattern is truly represented to make the most accurate choice.