This chart reports the strikes recorded in 1998 in a location near 46°N / 9°E divided by day. Click to enlarge.
In 1998, 454 strikes have been recorded in e period of 135 day, that means an average strike frequency of 3.4 strikes per day or one strike every 7 hours and 8 minutes.
This chart reports the strikes recorded in 1998 in a location near 46°N / 9°E divided by month. Click to enlarge.
Extrapolating this data to all the year an average frequency of 102 strikes per month can be found.
This chart reports the strikes recorded in 1998 in a location near 46°N / 9°E divided by hour. Click to enlarge.
From this chart (that is only indicative) one could deduce that storms strikes more often in the late afternoon and in the evening.
This chart reports the strikes recorded on August 19th, 1998 in a location near 46°N / 9°E. Click to enlarge.
On August 19 1998, the same day when the counter was installed, the biggest storm of the year was recorded. 171 strikes were counted in that day and 166 in only 4 hours, that means a strike every minute and 27 seconds.