The Contractor is entitled to an extension of time for:

The justification for selecting the option about abnormal weather conditions that could not have been anticipated and that affected the schedule centers on the principles of construction contract law. In many contracts, provisions specifically address extensions of time due to weather issues. However, for a contractor to receive an extension of time, the weather-related events must not only cause delays but also be unexpected or beyond the norm for the area and season.

When the option references "abnormal weather conditions," it specifically implies significant and unusual weather events that hinder progress and were not predictable at the project's outset. Examples might include unseasonable snowstorms or hurricanes that significantly deviate from typical weather patterns.

On the other hand, while rainy days or generally adverse weather conditions can cause delays, they must be proven to be extraordinary or beyond what might typically be expected for the project location at that time of year to warrant an extension. Thus, options referring to general rainy days or even adverse weather, without the necessary qualifying criteria of unanticipated conditions, do not meet the contractual requirements for a time extension as clearly as the selected option does.

In summary, the correct answer emphasizes the importance of both the unpredictability and the significant impact of specific weather events on the construction schedule for the contractor to be entitled to an