**Aim** (why are we doing this?):
We have a record of some climate variable, and want to know: How often do we get months which are hotter than 30**C? Or: How often do droughts recur? In order to answer this, one may look at the distribution of the temperatures or rainfall: how many times have the events happened before?
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**Probability distributions and density functions describe the observed or expected frequency that a value has taken/will occur.
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- Probability distribution and density functions
- Normal/Gaussian distribution
- Binomial distribution
- Gamma distribution
- Poisson distribution
- Higher order moments: skewness, kurtosis, etc.
- Further reading
- Exercises