ðɪs pˈiːk sˈʌmɚ sˈɜːvɪs ɚɹˈɪdʒɪnəli ˈɑːpɚɹˌeɪɾᵻd bᵻtwˌiːn dʒˈuːn ænd ˈɔːɡəst haʊˈɛvɚ, dˈuː tə dᵻmˈænd, ˈɑːpɚɹˌeɪts fɹʌm mˈeɪ tə sɛptˈɛmbɚ sˈɪns tˈuː θˈaʊzənd θˈɜːtiːn.
This peak summer service originally operated between June and August however, due to demand, operates from May to September since 2013.