He used the word laguna--lagoon, not lago--lake.

His arrival in the Bahamas was at the height of the rainy season.

Governor Rawson's Report on the Bahamas, 1864, page 92, Appendix 4, gives the annual rainfall at Nassau for ten years, 1855--'64, as sixty-four inches.

From May 1, to November 1 is the wet season, during which 44.7 inches fall; the other six months 19.3 only.

The most is in October, 8.5 inches.
Andros, the largest island, 1,600 square miles, is the only one that has a stream of water.