Huge
rainfall totals occurred over the Big Bend of Florida as well as over the Gulf of Mexico.
Their web site explains: «In southwest WA, a drying trend has been observed... The rainfall decline has been most apparent in late autumn and early winter, with a major drop in
rainfall totals occurring in the 1970s, and possibly another more recently in the 1990s.
Not exact matches
: Jan 2011) that the flooding was not unique but had
occurred with similar
total rainfall in the past.
Long periods may
occur between storms in a single season, and enormous variation exists in yearly
rainfall totals.
Precipitation
occurs about once every seven days in the western part of the region and once every three days in the southeastern part.77 The 10 rainiest days can contribute as much as 40 % of
total precipitation in a given year.77 Generally, annual precipitation increased during the past century (by up to 20 % in some locations), with much of the increase driven by intensification of the heaviest
rainfalls.77, 78,79 This tendency towards more intense precipitation events is projected to continue in the future.80