Considerazioni sulle piogge giornaliere prevedibili a Sassari

After a long line of statistical recourses the author carries aut his
research valuing the adaptation of Galton probabilistic logarithmic-normal
law to the every day rains occurred during about forty years in the town
of Sassari.
The check of the discovered law is carried out by the test of χ2and the
signe test.
The research ends with the application of Poisson distribution for the
research of probability that some precipitations of considerable intensity
have to reveal themselves seldom during a period of a hundred years.