Hewatt, Alexander, An Historical Account of the Rise and Progress of the Colonies of South Carolina and Georgia, Volumes I and II (1779)
It
has been also remarked, that the province is subject to violent storms of
lightning and thunder throughout the year; but from the end of April until
October they are very frequent and terrible. There are few nights during the
summer in which lighting is not visible in some part of the horizon. Sometimes
indeed those storms are of short duration, particularly when they come attended
with brisk gales of wind; but when that is not the case, they will often last
for four or five hours. While the clouds are gathering, it is surprising how
quickly the atmosphere, which was formerly serene, will be covered with darkness.
