In marked contrast, some regions have experienced significantly fewer record - breaking
daily rainfall events.
Before 1980 natural variability was enough to explain rainfall fluctuations, they said, but they had detected a clear upward trend in the past few decades towards more unprecedented
daily rainfall events.
Not exact matches
There wasn't much impact on
daily peak river levels, since this is about sustained rather than intense
rainfall, but 100 - year highs in monthly averaged river levels became about 80 - year
events.
Indicators based on
daily precipitation data show more mixed patterns of change but significant increases have been seen in the extreme amount derived from wet spells and number of heavy
rainfall events.
We also find that observed fluctuations in extreme
events in Padova are linked to the North Atlantic Oscillation: increases in the NAO Index are on average associated with an intensification of
daily extreme
rainfall events.