Q: This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.
Passage: The climate of Peten is divided into wet and dry seasons, with the rainy season lasting from June to December, although these seasons are not clearly defined in the south. The climate varies from tropical in the south to semitropical in the north; temperature varies between 12 and 40C , although it does not usually drop beneath 18C . Mean temperature varies from 24.3C in the southeast around Poptun to 26.9C around Uaxactun in the northeast. Highest temperatures are reached from April to June, and January is the coldest month; all Peten experiences a hot dry period in late August. Annual precipitation is high, varying from a mean of 1,198 millimetres in the northeast to 2,007 millimetres in central Peten around Flores . The extreme southeast of Peten experiences the largest variations in temperature and rainfall, with precipitation reaching as much as 3,000 millimetres in a year.
Question: How many degrees C is the lowest typical temperature in Peten?
Answer type: Number
A:
12.