| Mean monthly sea-level pressure charts covering Europe and the North Atlantic | ||||||||||||||
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| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |||||||||
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| Mar | Mar | Mar | Mar | Mar | Mar | |||||||||
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| May | May | May | May | May | May | |||||||||
| Jun | Jun | Jun | Jun | Jun | Jun | |||||||||
| Jul | Jul | Jul | Jul | Jul | Jul | |||||||||
| Aug | Aug | Aug | Aug | Aug | Aug | |||||||||
| Sep | Sep | Sep | Sep | Sep | Sep | |||||||||
| Oct | Oct | Oct | Oct | Oct | Oct | |||||||||
| Nov | Nov | Nov | Nov | Nov | Nov | |||||||||
| Dec | Dec | Dec | Dec | Dec | Dec | |||||||||
| Winter | Winter | Winter | Winter | Winter | Winter | |||||||||
| Spring | Spring | Spring | Spring | Spring | Spring | |||||||||
| Summer | Summer | Summer | Summer | Summer | Summer | |||||||||
| Autumn | Autumn | Autumn | Autumn | Autumn | Autumn | |||||||||
| Year | Year | Year | Year | Year | Year | |||||||||