In summer, however, the analysis of observational
data coming from
weather stations and satellites
reveals a clear decrease in the average storm activity.
''... authors obtained meteorological
data from
weather stations situated in eight of the provincial capitals that covered the period 1980 - 1998, while they obtained contemporary mortality
data from the country's National Institute for Statistics for deaths associated with cardiovascular, respiratory and digestive system diseases... Various analyses of the monthly - averaged
data revealed a number of interesting results.