Poisson Probability Distribution

The Poisson Distribution is a discrete probability distribution where the number of occurrences in one interval (time or area) is independent of the number of occurrences in other intervals.

April Showers bring May Flowers!! Research the "Average Amount of Days of Precipitation in April" for a city of your choice.

Introduce the City and State. Let us know a fun fact! ( Los Angeles California)
Tell us the average number of days of precipitation in that city for the month of April.
Cite your Source
Calculations ( I need it in words and graph format)

What is the probability of having exactly 10 days of precipitation in the month of April?
What is the probability of having less than three days of precipitation in the month of April?
What is the probability of having more than 15 days of precipitation in the month of April?