CBEST - semi colons

What are the rules to use semi colon here? I needed to go for a walk and get some fresh air; also, I needed to buy milk. Reports of the damage caused by the hurricane were greatly exaggerated; indeed, the storm was not a "hurricane" at all. The students had been advised against walking alone at night; however, Cathy decided walking wasn't dangerous if it was early in the evening. I'm not all that fond of the colors of tiger lilies; moreover, they don't smell very good.

Sentence connectors that are used to join two independent clauses.

What is the rule of using semi colon in the following sentences? I ordered a cheeseburger for lunch; life's too short for counting calories. Money is the root of all evil; I don't believe the reverse is necessarily true. Martha has gone to the library; Andrew has gone to play soccer.

Use a semicolon to join two closely related independent clauses. Let's put that another way. The group of words that comes before the semicolon should form a complete sentence, the group of words that comes after the semicolon should form a complete sentence, and the two sentences should share a close, logical connection

I need the weather statistics for the following cities: London, England; London, Ontario; Paris, France; Paris, Ontario; Perth, Scotland; Perth, Ontario. My plan included taking him to a nice—though not necessarily expensive—dinner; going to the park to look at the stars, which, by the way, are amazing this time of year; and serenading him with my accordion.

Use semicolons to divide the items of a list if the items are long or contain internal punctuation. In these cases, the semicolon helps readers keep track of the divisions between the items.