intermittent

Stopping and starting, occurring, or presenting at intervals; coming after a particular time span.

• The day was cloudy with intermittent rain.
• Intermittent bugs are most difficult to reproduce.

Existing only for certain seasons; that is, being dry for part of the year.specifically

• The area has many intermittent lakes and streams.

An intermittent fever or disease.dated

• Feuers, and especially those that are called intermittents, discontinuing agues, euen naturally at the beginning and their first inuasion, cause vomits: and at the declining, sweats.
• The Bark, which had been ineffectual in the Intermittents of the former Year, was successful in this.