Thunder in March betokens a fruitful year. (German.)
May Thunder.
If there is much thunder in May, the months of September and August will be without it.
Morning Thunder.
Morning thunder is followed by a rain the same day.
When it thunders in the morning, it will rain before night.
North Lightning.
Lightning in the North will be followed by rain in twenty-four hours.
Lightning in the North in summer is a sign of heat.
North—south.