Several days of unseasonable melt had boiled the river to a noisy torrent of cascading water.
Whiston informs us that, some time before the publication of this book, a message was sent to him from Lord Godolphin "that the affairs of the public were with difficulty then kept in the hands of those that were for liberty; that it was therefore an unseasonable time for the publication of a book that would make a great noise and disturbance; and that therefore they desired him to forbear till a fitter opportunity should offer itself," - a message that Clarke of course entirely disregarded.
Along with the unseasonable weather, some unexpected moths also appeared, well outside what I would call their normal flight times.
That is why I come here with hair and clothes still wet at an unseasonable hour.
Trinidad was quite different, being much more humid and with a lot of unseasonable rain, lasting all day in some cases.